So difficult ________ it to work out the problem that I decided to ask my teacher for advice._刷题宝

题干

So difficult ________ it to work out the problem that I decided to ask my teacher for advice.

A：I did find

B：I have found

C：have I found

D：did I find

上一题下一题 0.0难度选择题更新时间:2019-11-26 01:39:15

答案(点此获取答案解析）

D

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你知道世界名著的博物馆出自哪些国家吗？读短文并搭配

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