问题 选择题

I have trouble ________ the new words.

A.memorize

B.to memorize

C.memorizing

D.memorized

答案

答案:C

题目分析:句意:我记住这几个新单词有困难。短语have trouble in doing sth动名词做介词in的宾语,做某事有困难,实际中常胜率介词in,故选C。

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单项选择题