问题:I should not have laughed if I you were seriou
提问者:1c5s4f5ea
详细内容:

I should not have laughed if I     you were serious.

 

A. thought                       B. would think             C. had thought             D. have thought

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回答者:1c5s4f5ea       回答时间:2015-04-16 10:18:15
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