【中国好题源】(含答案解析)人教必修三 Unit 3 The Million Pound Bank Note.doc
必修三 Unit 3 The Million Pound Bank Note
1.【原创】My family were watching TV someone knocked at the door.
A. while B. when C. as D before
【解析】when作并列连词时,相当于and then或and just at that time,往往表示一件事正在发生、即将发生或刚刚完成,而就在那时又发生了另一件事。常带有“突然”之意,可译为“正要……,突然……;正在……,这时……;刚刚……,这时……”。
【答案】B
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