问题

You _____ such a serious mistake if you had followed his advice.

A:may not make
B:might not make
C:shouldn’t have made
D:might not have made

正确答案是：

同类题型

I ran into the back of a truck yesterday and damaged my car badly.——I suppose you_______too fast

________book you choose on the shelf __________ our school library

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With help, we finished our work on time.

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