Unit 3 A visit to Garden City B卷·能力提升练(含解析).docx
Unit 3(B卷·能力提升练)
一、单项选择
1.The students can’t go home ________ they finish cleaning the classroom, for it’s their duty.
A.when B.since C.if D.until
2.A(n) ________ trains people in sport.
A.coach B.waiter C.headmaster D.architect
3.It usually takes us quite a long time to ________ master a skill.
A.t...