2020年成人英语三级考试：词汇语法练习题(50)

2020年成人英语三级考试：词汇语法练习题(50)

1.You should have put the milk in the ice-box; I expect it _____ undrinkable by now.

A. became

B. had become

C. has become

D. becomes

2.After writing poetry unsuccessfully for several years, he was not certain whether to quit or _____ with his art.

A. if he should continue

B. he should continue

C. to be continued

D. to continue

3.The firm will have to step _____ production if it is to defeat its competitors.

A. off

B. in

C. out

D. up

4._____ the financial means to remain independent, Thomas Edison was compelled to seek employment as a night telegraph operator.

A. He was deprived of

B. Deprived of

C. That he was deprived of

D. Although he was deprived of

5.The angry teacher gave the order that nobody _____ the classroom before twelve.

A. would leave

B. left

C. had left

D. leave

2020年成人英语三级考试词汇语法习题答案见下页

参考答案及解析：

1.答案为C。与by now, so far, tip to now这样的短语连用时，谓语动词用现在完成时。

2.答案为D项。to continue与to quit并列。

3.答案为D项。step up意为“提高，加快”;step off意为“开步走，步量(距离)”;step in意为“介入，干涉;参加进来(帮忙)”;step out意为“走出去”。

4.答案为B项。过去分词表原因作状语，句意为：失去了保持独立经济来源，爱迪生不得不当夜间电报员。

5.答案为D项。that引导order(命令)的同位语从句，从句用(should)do表示虚拟语气。

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