从句训练1
1. Perhaps the best example is shown by UNESCO, ___________ runs a programme that prevents world cultural heritage sites around the world from disappearing. (人教B2U1)
2. These disasters made everyone sad and disappointed, but the desire to explore the universe never died. This is ___________ people believe in the importance of carrying on space exploration despite the huge risks. (人教B3U4)
3. When the train arrived at the station, they took a taxi to Lake Louise, ___________ the blue water literally took their breath away with its exceptional beauty. (人教XB2U4)
4. ___________ the students came from different countries, they got along quite well in the summer camp.
5. However, what we eat isn't the most important thing. What's important is ___________ we eat it with. (北师大B1U3)
6. It dates back several thousand years to the use of longgu—animal bones and shells on___________ symbols were carved by ancient Chinese people. (人教B1U5)
7.(2023年新高考I卷)To eat one, you have to decide whether to bite a small hole in it first, releasing the stream and risking a spill (溢出), ________ to put the whole dumpling in your mouth, letting the hot soup explode on your tongue.
8.(2023年新高考II卷)It’s been an honor to watch the panda programme develop ________ to see the pandas settle into their new home.
9.(2023年浙江卷1月)During China’s dynastic period, emperors planned the city of Beijing ________ arranged the residential areas according to social classes.
10.However, being naturally curious, Pandora opened the box, and all the evils of the world were contained within it escaped and spread over the earth.
11. Frankly speaking, he is so unreliable a man nobody is willing to work with.
12.They want to see the lovely beaches and the mountains, they can enjoy a great view.
13.He still remembered the places and persons he visited there.
14.Teaching is fun and challenging. It is a job you are doing something serious but interesting.
15.Recently, parts of our province have been struck by severe flood, from effects the people are still suffering.
16.First of all, I’m very grateful to my teacher, Mrs Chopra, trusted me and offered me the chance to make a speech here.
17. the old saying goes,“The longest journey begins with the first step.”
18.When her daughter came back from Australia, she found her quite different from she was 3 years ago.
19.While making friends, we’re supposed to focus on what we have in common and set aside we disagree.
20.It occurred to me I had an important meeting to attend the next day.
21.I wonder I should accept the offer or not.
22.An idea came to him he should go to the bookstore to buy some books.
23.His suggestion was we should have an assistant. There is too much work to do.
从句训练2
1. There is concern ___________ the construction company that built the tower block had not followed fire safety rules. (译林XB2U1)
2. The majority of residents in Chinatown are still ethnic Chinese, many of ___________ do not speak English fluently. (人教B3U3)
3. I had been waiting with my fellow graduating students for the moment ___________ I would walk out onto the stage to receive my degree certificate. (译林XB4U4)
4. One woman tripped over the stone ___________ her water pot went crashing to the ground. (人教B3U2)
5. These terraces(梯田) also provide a perfect environment for birds and fish, some of ________ feed on insects that can harm the rice crops. (外研B1U6)
6. Whether big or small, what all our choices have in common is ___________ they lead to specific consequences. (外研XB4U1)
7. They are recording and collecting digital images of cultural relics from the Mogao Caves,___________ were a key stop along the Silk Road throughout China's ancient history. (人教B2U1)
8.(2022年新高考I卷)...After a three-year pilot period, the GPNP will be officially set up next year. The GPNP is designed to reflect the guiding principle of “protecting the authenticity and integrity (完整性) of natural ecosystems, preserving biological diversity, protecting ecological buffer zones, ______ leaving behind precious natural assets(资产)for future generations”.
9. (2022年新高考II卷) He hung on for a few minutes ________screamed for his father, but his father didn't hear him.
10.(2022年浙江卷6月)"The feeling of being able to see it _________ to form my opinion is like breaking down another wall as a blind person.
11.Li Ming succeeded in graduating from the college, made his parents proud.
12.Chinatowns are popular tourist destinations visitors can experience traditional Chinese culture first hand.
13.Many people do not have close friends or contacts have the same interest in music.
14.Dr. Brown is a senior professor views are widely respected.
15.Mount Wuyi is such an attractive place of interest everyone likes to visit.
16.Those want to go to the cinema will have to wait at the gate of the school.
17.Gone are the days physical strength was all you needed to make a living.
18.Everyone has periods in their lives everything seems very hard.
19.I have no idea has happened recently on my co-worker, so I can’t give the sad girl a suitable comfort.
20.She had no idea she could persuade her husband to give up smoking.
21.Concerned about the student, Mr. Liu called his parents to find out he didn’t go to school this afternoon.
从句训练3
1. It remains to be seen ___________ the newly formed committee's policy can be put into practice.
2. The Amazon River, from ___________ the rainforest gets its name, is close to 6,400 kilometres in length. (译林B3U1)
3. Put more simply, while people continue to argue over ___________ or not fatty food is dangerous, we already know that sugar is a killer. (人教XB2U3)
4. Today, the caves are just as international as they were at the time ___________ people travelled the Silk Road. (人教B2U1)
5. Grandma pointed to the hospital and said, “That's ___________ I was born.”
6. Two years ago, I was told I had a serious disease ___________ was difficult to cure. (人教B2U5)
7.(2021年浙江1月卷)In a study of 33 years of trends in Body Mass Index (体重指数) across 200 countries, the scientists found that people worldwide are getting heavier _______ that most of the rise is due to gains in BMI in rural areas.
8.(2021年新高考I卷)Though it is the only unnatural thing on your way up the mountain, still it highlights the whole adventure ________offers a place where you can sit down to rest your aching legs.
9.The monument was the first place they went to visit while they were in China.
10.The photo reminds me of the days we spent in Canada.
11.But for all its ancient buildings, Beijing is also a place welcomes the fast-paced development of modern life, with 21st-century architectural wonders standing side by side with historical buildings of the past.
12.“There was once a town in the heart of America, all life seemed to enjoy peaceful existence with its surroundings,” her fable begins, borrowing some familiar words from many age-old fables.
13.Yet, the form of the fable still has values today, Rachel Carson says in “A Fable for Tomorrow”.
14.It was in this old school the government built in 1968 he received good education.
15.The reason Tom failed in the exam was he didn’t work hard.
16.Have you ever dreamed of singing in front of an audience of thousands at a concert, everyone is clapping and appreciating your music
17. some students are not aware of is difficult life can be if they are not devoted to their study.
18. they suddenly disappeared remains a mystery now.
15. we will have a picnic depends on the weather.
19.I can’t imagine excited she was when she received your letter and presents.
20.Although repetition helps memory, psychologists doubt it helps long-term memory.
21.There is no better way to know yourself and to see you are capable of.
从句训练4
1. Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place ___________ they were safe from the water. (人教B2U1)
2. ___________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
3. On the first day, I should want to see the people ___________ kindness and gentleness and companionship have made my life worth living. (外研XB1U2)
4. I really enjoy listening to music __________ it helps me relax and takes my mind away from other cares of the day.
5. Indeed, his slim but strong body is just like that of millions of Chinese farmers, to ___________ he has devoted his life. (人教XB1U5)
6. Do not let any failures discourage you, for you can never tell ___________ close you may be to victory.
7. Located ___________ the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.
8.(2021年新高考II卷) I found the contact information of the company________ emailed its president.
9.(2021年浙江卷6月)Although Mary loved flowers, ________ she nor her husband was known as a gardener. A long- time neighbor said they never planted trees and only kept a garden for one year.
10.He had thousands of students, many of gained great success in their own fields.
11.The reason accounts for their names Galilean Moons is they were discovered by Galileo in 1610.
12. is often the case, students tend to be more enthusiastic about classes in which they can participate and interact.
13.Your friends also influence the way you view your physical appearance.
14.In the lecture, the professor referred to many cases parents knew their kids’ problems but couldn’t settle them in a correct way.
15.This trend has had some side effects such as overweight and heart disease—the very thing the medical community was trying to fight.
16.I feel like that my capacity has reached the point I can compete for Olympic medals.
17.Asking questions about we learn also helps with memorisation.
18.Susan made it clear to me she wished to make a new life for herself.
19.We are amazed by the boy has done to the picture.
20.He didn’t attend school yesterday, and that’s he got a toothache.
21.Some people are born with the belief they are masters of their own while others feel they are at the mercy of others.
22.There still exists some doubt the little girl is suitable to do such heavy work.
从句训练1答案
1. which 2. because 3. where 4. Although/Though/While
5.who/whom 6. which
7【答案】 or【详解】考查连词。句意:吃小笼包的时候,你必须要决定是先咬一个小口流出汤汁,还是把整个小笼包放进嘴里,让热汤在舌头上爆炸。whether...or... “是……还是……”,固定搭配,根据句意,故填or。
8【答案】 and【详解】考查连词。句意:我很荣幸能看到熊猫项目的发展,看到熊猫们在新家安顿下来。分析句子结构可知,“to watch the panda programme develop”和“to see the pandas settle into their new home”两者是并列关系,应该用and连接。故填and。
9【答案】and【详解】考查连词。句意:在中国的朝代时期,皇帝规划北京城并根据社会阶层安排居住区。分析句子结构可知,planned和arranged是并列的谓语动词,表示并列关系应用连词and连接。
10.that【详解】考查定语从句。句意:然而,出于好奇,潘多拉打开了盒子,盒子里所有的邪恶都逃了出来,传遍了地球。分析句子,设空处引导的是定语从句,引导词在从句中作主语,同时先行词the evils有all不定代词修饰,应用that。故填that。
11.as【详解】考查定语从句。句意:坦率地说,他是一个非常不可靠的人,没有人愿意与他共事。分析句子,设空处引导的是定语从句,引导词在从句中作宾语,指代前文的a man;同时句中so...as...为固定短语,意为“如此……以至于”,引导词应该用as。故填as。
12.where
【详解】考查定语从句。句意:他们想看看可爱的海滩和山脉,在那里他们可以欣赏到美丽的风景。分析句子,设空处引导的是非限制性定语从句,引导词在从句中作地点状语用where。故填where。
13.that
【详解】考查定语从句。句意:他仍然记得他在那里参观过的地方和人。分析句子结构可知,空处引导定语从句,修饰先行词the places and persons,先行词既有人又有物,关系词在从句中作宾语,只能使用that引导从句。
14.where
【详解】考查定语从句。句意:教学既有趣又具有挑战性。这是一份你要做一些严肃但有趣的事情的工作。分析句子,设空处引导的是定语从句,引导词在从句中作地点状语,修饰先行词job,表示“在工作中”,用where。故15.whose
【详解】考查定语从句。句意:最近,我省部分地区遭受严重洪灾,人民仍在遭受洪灾的影响。分析句子可知,这里考查“介词+关系代词”引导的非限制性定语从句,先行词是flood,关系词替代先行词在定语从句中作定语修饰后面名词effects,用关系代词whose。故填whose。
16.who
【详解】考查定语从句。句意:首先,我非常感谢我的老师,乔普拉夫人,她信任我,给了我在这里演讲的机会。分析句子可知,此处为关系代词who引导的非限制性定语从句,先行词Mrs Chopra(指人)在从句中作主语成分。17.As
【详解】考查定语从句。句意:俗话说,“千里之行,始于足下”。分析句子结构可知,空格处引导非限制性定语从句,有“正如”的意味,因此使用as引导定语从句,故填As。
18.what
【详解】考查名词性从句。句意:当她女儿从澳大利亚回来时,她发现她和三年前大不一样了。在宾语从句中缺少表语,根据“she found her quite different from”可知,此处是指三年前的样子,是指事物,所以应用连接代词what。19.where
【详解】考查宾语从句。句意:在交朋友的时候,我们应该把注意力集中在我们的共同点上,把我们的分歧放在一边。分析句子结构可知,空处引导宾语从句,从句中结构完整,应该用连接副词引导,在从句中作地点状语,根据句意,应用where引导。故填where。
20.that
【详解】考查主语从句。句意:我突然想到第二天我要参加一个重要的会议。it occurs/occurred to sb. that...为固定句型,意为“某人突然想到……”,其中it作形式主语,that引导的是主语从句。故填that。
21.whether
【详解】考查宾语从句。句意:我不知道我是否应该接受这份工作。分析句子可知,空处填连词引导宾语从句,根据句意和or not可知填whether“是否”,whether...or not“是不是”,故填whether。
22.that【详解】考查同位语从句。句意:他突然想到他应该去书店买一些书。分析句子结构可知,本句为同位语从句,解释说明名词idea的具体内容。从句不缺少成分且句意完整,所以用连接代词that引导该从句。
23.that
【详解】考查表语从句。句意:他的建议是我们应该有一个助理。有太多的工作要做。分析句子结构可知,was后应为表语从句,此处缺少表语从句的连接词,从句中不缺少任何成分,故填that。
从句训练2答案
1. that 2. whom 3. when 4. and 5. which 6. that 7. which
8【答案】and【详解】考查连词。句意。经过三年的试点,GPNP将于明年正式成立。GPNP旨在体现“保护自然生态系统的真实性和完整性,保护生物多样性,保护生态缓冲区,留下宝贵的自然资产或子孙后代”的指导原则。设空处无提示词,且前后为并列关系,应用and,连接三个指导原则 “protecting..., preserving ..., and leaving ...”。故填and。
9【答案】and【详解】考查连词。句意:他坚持了几分钟,尖叫喊着他的父亲,但他的父亲没有听到他。根据句子结构,设空处应该填写连词,连接hung和screamed两个动作。根据句意,此处表示并列关系。
10【答案】and【详解】考查连词。句意:能够看到它并形成我的观点的感觉就像盲人推倒了另一堵墙。根据句意可知,前后为并列关系,所以用and来连接。故填and。
11.which
【详解】考查定语从句。句意:李明成功地从大学毕业,这让他的父母感到骄傲。分析句子结构,空处引导非限制性定语从句,指代前面的整个主句,且在从句中作主语,所以应用which引导。故填which。
12.where【详解】考查定语从句。句意:唐人街是受欢迎的旅游目的地,在这里游客可以亲身体验中国传统文化。分析句子可知,空处引导定语从句,修饰destination,从句中作地点状语,用关系副词where引导定语从句,故填where。
13.that/who【详解】考查定语从句。句意: 许多人没有对音乐有同样兴趣的亲密朋友或熟人。空处引导限制性定语从句,修饰先行词friends or contacts,指人,且从句中缺少主语,应用关系代词that/who引导定语从句,故填that/who。
14.whose【详解】考查定语从句。句意:布朗博士是一位资深教授,他的观点受到广泛尊重。分析句子结构,这是一个包含定语从句的复合句,先行词为professor,因空白处在从句中作定语,使用关系代词whose引导定语从句,故填whose。
15.as【详解】考查定语从句。句意:武夷山是一个吸引人的地方,每个人都喜欢去参观。分析句子,设空处引导的是定语从句,先行词place of interest 前有such进行修饰时,关系词用as,此处关系代词as在从句中作宾语。故填as。
16.who【详解】考查定语从句。句意:那些想去看电影的人必须在学校门口等候。限制性定语从句修饰先行词those,关系词在从句中作主语,指人,用关系代词who。故填who。
17. when that 【详解】考查定语从句。句意:靠体力就能谋生的日子一去不复返了。此处为倒装句,主语为the days,后接限制性定语从句,先行词在从句中作时间状语,应用关系副词when引导从句;第二空也考查限制性定语从句,先行词为all,在从句中作needed的宾语,应用关系代词that引导从句,故填:①when;②that。
18.when【详解】考查定语从句。句意:每个人在生活中都有一段时期,一切似乎都很艰难。空格处引导的是限制性定语从句,先行词是periods,关系词替代先行词在从句中作时间状语,应用关系副词when引导。故填when。
19.what【详解】考查同位语从句。句意:我不知道我的同事最近发生了什么事,所以我不能给这个悲伤的女孩恰当的安慰。分析句子可知,设空处在句中引导同位语从句,用来解释说明名词idea,从句缺少主语,表示“……的事”,应用连接代词what来引导。故填what。
20.how
【详解】考查同位语从句。句意:她不知道怎样才能说服丈夫戒烟。此处引导idea的同位语从句,从句缺少方式状语,应用how“怎样”引导。故填how。
21.why【详解】考查宾语从句。句意:出于对这个学生的关心,刘老师打电话给他的父母,问他为什么今天下午没去上学。引导宾语从句,从句缺少原因状语,故用why引导。故填why。
从句训练3答案
1. whether 2. which 3. whether 4. when 5. where 6. that/which
7【答案】 And 【解析】考查连词。句意:在一项对200个国家33年体重指数趋势的研究中,科学家们发现,世界各地的人们体重越来越重,而这主要是由于农村地区体重指数的增加。分析句子结构可知,that people worldwide are getting heavier和that most of the rise is due to gains in BMI in rural areas.都是found引导的宾语从句,是并列关系,故填and。
8【答案】and【解析】考查连词。句意:虽然在上山的路上,这是唯一不自然的事情,但它仍然突出了整个冒险,并且提供了一个你可以坐下来休息你疼痛的双腿的地方。分析句子可知,“highlights the whole adventure”与“offers a place”部分为并列关系,都是作it的谓语,故用并列连词and。
9.that【详解】考查定语从句。句意:纪念碑是他们在中国时参观的第一个地方。该空引导限制性定语从句,先行词是place,指物,被the first修饰,关系词在从句中作宾语,用关系代词that,故填that。
10.which/that【详解】考查定语从句。句意:这张照片使我想起了我们在加拿大度过的日子。空处引导限制性定语从句,修饰先行词the days,指物,且从句中缺少spent后面的宾语,应用which/that引导定语从句,故填which/that。
11.which/that【详解】考查定语从句。句意:但是,除了古建筑,北京也是一个欢迎现代生活快节奏发展的地方,21世纪的建筑奇迹与过去的历史建筑并存。空处为限制性定语从句的引导词,先行词为a place,在定语从句中担当主语,所以用关系代词which或that引导从句。故填which/that。
12.where【详解】考查非限制性定语从句。句意:“在美国的中心地带曾经有一个小镇,那里所有的生命似乎都享受着与周围环境的和平共处,”她的寓言是这样开始的,借用了许多古老寓言中的一些熟悉的词语。分析可知,“________ all life seemed to enjoy peaceful existence with its surroundings”为之前名词“town”的非限制性定语从句,先行词在从句中作地点状语,所以用关系副词where引导从句。故填where。
13.as【详解】考查定语从句。句意:然而,正如雷切尔·卡森在《明日寓言》中所说,寓言的形式在今天仍然具有价值。分析句式结构可知,引导非限定性定语从句,且有“正如”之意,用关系代词as引导。故填as。
14. which/that that
【详解】考查定语从句和强调句。句意:正是在那座由当地政府1968年建造的学校里,他接受了良好的教育。分析句子可知,第一空为连词引导的定语从句,从句中缺少built的宾语,所以使用关系代词,先行词this old school指物,所以第一空用关系代词which或that;第二空为固定句型“it is+被强调部分+that(强调人可用who)+其余部分”,被强调部分为地点状语,所以应用that。故填①which/that② that。
15. why that
【详解】考查定语从句和表语从句。句意:汤姆考试不及格的原因是他不努力。分析句子结构可知,第一空引导定语从句,从句中不缺主语和宾语,所以使用关系副词,先行词the reason表原因,所以用关系副词why引导从句;第二空引导表语从句,从句不缺主语和宾语,且句意完整,所以使用连接词that引导从句。故填①why②that。
16.where
【详解】考查定语从句。句意:你有没有梦想过在一场音乐会上,每个人都在鼓掌和欣赏你的音乐,你在成千上万的观众面前唱歌?分析句子结构,空处引导一个非限制性定语从句,先行词为a concert,且从句中缺少地点状语,应用关系副词where引导定语从句。故填where。
17. What how【详解】考查主语从句和表语从句。句意:一些学生没有意识到的是,如果他们不专心学习,生活是多么困难。分析句子结构可知,第一空为引导主语从句的连接词,从句中缺少介词of的宾语,结合句意,此处指的是事物,所以使用连接代词what,位于句首,首字母需大写;第二空为引导表语从句的连接词,从句中不缺主语和宾语,句意不完整,根据句意以及空后的difficult作表语可知,此处应为how意为“多么……”符合句意。故填①What②how。
18.Why
【详解】考查主语从句。句意:他们为什么突然消失至今仍是个谜。分析句子结构可知,此处应为连接词引导的主语从句,从句中不缺主语,disappear为不及物动词,不需要宾语,但句意不完整,结合句意可知,此处表示“为什么”应为why符合句意,且位于句首,首字母需大写。故填Why。
19.When
【详解】考查主语从句。句意:我们什么时候去野餐取决于天气。分析句子结构可知,此处应为连接词引导的主语从句,从句中不缺主语和宾语,但句意不完整,结合句意,可知,此处表示“什么时候”应为when符合句意,且位于句首,首字母需大写。故填When。
20.how
【详解】考查宾语从句。句意:我无法想象她收到你的信和礼物时有多激动。分析句子结构可知,此处应为连接词引导的宾语从句作imagine的宾语,从句中不缺少主语和宾语,结合句意可知,此处表示“多么”应为how修饰空后的excited,所以此处应使用连接副词how。故填how。
21.whether/if
【详解】考查宾语从句。句意:虽然重复有助于记忆,但心理学家怀疑它是否有助于长期记忆。此处引导宾语从句,连接词在从句中表示“是否”,应用whether或if引导。故填whether或if。
22.what
【详解】考查宾语从句。句意:没有比这更好的方法来了解你自己,看看你能做什么。连接代词what引导名词性从句时,在从句中充当主语、宾语或表语,表示“……的人/事/物/话/地方”。分析句子可知,空格后是宾语从句,从句引导词在从句中作介词of后的宾语,表示“(你能做的)事情”。综上,应用连接代词what引导词该宾语从句。故填what。
从句训练4答案
1.where 2. Unless 3. whose 4. because/since/as/for 5 whom 6. how 7. where
8.【答案】and【解析】考查连词。句意:我找到了这家公司的联系方式,并给公司总裁发了电子邮件。“found”和“emailed”之间是并列关系,用and连接两个并列的谓语动词,所以填and。
9.【答案】neither【解析】考查连词。句意:虽然玛丽喜欢花,但她和她的丈夫都不是有名的园丁。根据句意可知,此处考查连词结构“neither…nor…”,意为“既不……也不……”。故填neither。
10.whom
【详解】考查定语从句。句意:他有成千上万的学生,其中许多人在自己的领域取得了巨大的成功。空格处是“介词+which/whom”引导的非限制性定语从句,先行词students是人,因此空格处是关系代词whom,故填whom。
11. that/which that
【详解】考查定语从句和表语从句。句意:它们之所以被称为伽利略卫星,是因为它们是伽利略在1610年发现的。分析句子可知,第一空引导限制性定语从句,修饰先行词reason,从句中缺主语,可用关系代词that/which引导,在从句中作主语;第二空引导名词性从句作is的表语,从句中成分完整,且主句的主语是reason,应用连接词that。
12.As【详解】考查非限制性定语从句。句意:通常情况下,学生往往更热衷于可以参与和互动的课程。as is often the case 是定语从句,as 是引导词,指代后面那个句子所表述的情况。故填as。
13.that/in which/省略(/)
【详解】考查定语从句。句意:你的朋友也会影响你看待自己外表的方式。分析句子可知,此处为the way当“way”表示“方式、方法”,the way在句中作先行词,后被一个定语从句修饰时,the way在从句中作作状语成分,引导定语从句可用that,也可用in which,或什么都不用。故填that/in which/ 省略(/)。
14.where
【详解】考查定语从句。句意:在讲座中,教授提到了许多父母知道孩子的问题但不能以正确的方式解决的案例。空处引导限制性定语从句,修饰先行词cases,为抽象地点名词,且从句中缺少地点状语,应用关系副词where来引导。故填where。
15.that【详解】考查定语从句的连接词。句意:这一趋势带来了一些副作用,比如说超重和心脏病——这恰好就是医学界在努力对抗的。根据句子分子可知,此处引导定语从句,先行词为the very thing,指物,定语从句中缺少宾语,故应用that/which引导,但先行词被the very修饰时,只能用that引导,故填that。
16.where
【详解】考查定语从句。句意:我觉得我的能力已经到了能参加奥林匹克争夺奖牌的地步了。分析句子结构可知,此处为定语从句,修饰先行词the point,在从句中作地点状语。
17.what
【详解】考查宾语从句。句意:对我们所学的内容提出问题也有助于记忆。分析句子结构可知,此处为连词引导的宾语从句作介词about的宾语,从句中缺少learn的宾语,所以使用连接代词,结合句意,此处表示“所学的内容”指事。故填what。
18.that
【详解】考查名词性从句。句意:苏珊向我明确表示,她希望开始自己的新生活。make it clear to sb that...向某人表明……,it作形式宾语,真正的宾语为that从句。根据句意,故填that。
19.what
【详解】考查宾语从句。句意:我们对这个男孩对这幅画所做的感到惊讶。分析从句可知,从句缺少宾语,指物,所以用连接代词what引导。故填what。
20.because
【详解】考查表语从句。句意:他昨天没来上学,那是因为他牙疼。后文he got a toothache是没上学的原因,应用because引导原因状语从句,that is because表示“那是因为……”,故填because。
21. that that
【详解】考查同位语从句。句意:有些人天生相信自己是自己的主人,而有些人则觉得自己受别人的摆布。分析句子结构可知,第一空为连接词引导的同位语从句对belief解释说明,从句不缺成分且句意完整,所以此处应为连接词that;第二空为连接词引导的宾语从句作feel的宾语,从句中不缺成分且句意完整,所以此处应为连接词that。故填①that ②that。
22.whether【详解】考查同位语从句。句意:这个小女孩是否适合做这么重的工作还存在一些疑问。分析句子结构可知,此处应为连接词引导的同位语从句,对doubt解释说明,从句中不缺主语和宾语,但句意不完整,结合句意,此处表示“是否”应为whether。故填whether。