21. The villagers have already known ______ we’ll do is to rebuild the bridge.
A. this B. that C. what D. which
【答案】C
【解析】考查宾语从句。句意:村民们已经知道我们要做的是重建这座桥。本句为what引导的一个宾语从句。从句缺宾语,我们做的事是建桥,可以用连接代词what来引导。故答案选C。
22. I would have gone to the meeting if I ______ time.
A. had had B. have had
C. had D. would have had
【答案】A
【解析】考查虚拟语气。句意:如果我有时间,我会去开会的。主句选用情态动词+have done的形式,可知是对过去情况的虚拟,从句应选用had done过去完成时。故答案选A。
23. Recently he ______ until one o’clock, preparing for the final examination.
A. shows up B. turns up C. puts up D. stays up
【答案】D
【解析】考查动词短语辨析。句意:最近,他总是熬夜到1点钟,为期末考试做准备。show up出现;turn up调高,出现;put up张贴,搭建;stay up熬夜。结合语境,故答案选D。
24. I won’t call you, ______ something unexpected happens.
A. unless B. whether C. because D. while
【答案】A
【解析】考查状语从句。句意:除非发生意外情况,否则我不会打电话给你。unless引导条件状语从句时,谓语动词遵循主将从现原则,unless除非,符合句意。故答案选A。
25. Four of Robin’s children were at the party, including ______, Luke.
A. the eldest B. an oldest one
C. the old D. an old one
【答案】A
【解析】考查形容词最高级。句意:罗宾的四个孩子都参加了派对,包括老大卢克。三者及三者以上比较要用最高级,最高级前面要用定冠词the,eldest表示排行老大的,年长的,长辈的,故答案选A。
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