问题 选择题

—What’s his monthly income?

—Well, he ________ earn as ________ as 4,000 dollars a month when his business runs well.

A.can; much

B.might; many

C.must; far

D.should; high

答案

答案:A

考查情态动词和词义辨析。“他的月收入是多少?”“噢,当他的生意做得好的时候,他一个月能赚4000美元。”can“能够,可以”;might没有can的可能性大;must“必须”;should“应该”。much“多”,修饰不可数名词,as much as“多达”。故选A。

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