专升本每日一练:9月英语(六)

2020-09-10 16:44:12 来源:中公专升本官网
16. If he ________ to the teacher attentively, he ________ the answer to the problem now.

A. had listened, would have known B. listened, would know

C. listened, would have known D. had listened, would know

【答案】D

【解析】考查混合型虚拟语气。句意:如果他认真听老师讲课了,那么他现在就能够知道这个问题的答案了。根据句意可知,if条件句是对过去的虚拟,谓语动词用had done;而后面主句中的now则提示应该是对现在的虚拟,应该用would +动词原形,所以整个句子是混合型的虚拟语气,正确答案为D。

17.—I believe________ you’ve done your best and ________ things will improve.

—Thank you.

A. that; / B./; / C.what; that D./; that

【答案】D

【解析】考查宾语从句。句意:“我相信你已经尽力并且(我相信)情况会好转”。及物动词后有两个或两个以上的宾语从句时,只有第一个连词that可以省略,故选择D。

18. You ________ all those clothes! We have a washing machine to do that sort of thing.

A.needn’t have washed B.shouldn’t have washed

C.must not have washed D.can not have washed

【答案】A

【解析】考查情态动词。needn’t have done本没有必要做。句意:你本没有必要洗那么多衣服!我们有洗衣机来做那种事情。故选择A。

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