题目内容
The question is too difficult and we found________.
A.it not easy to answer it
B.it was not easy for us to answer it
C.it’s not easy to answer
D.it not easy to answer
D
本句中it为代词作形式宾语,真正的宾语是动词不定式to answer,根据时态一致原则,we found后面若跟从句时,应使用过去时,故C项错误,而A、B两项需把第二个“it”去掉。
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