问题 选择题

If you have any difficulty ____ how to skate, you can turn to Jacky.

A.learned

B.to learn

C.learning

D.learn

答案

答案:C

题目分析:考查词组:have difficulty in doing干…有困难,句意:如果你学习溜冰有困难,你可以求助于Jacky。选C。

点评:英语中有的词组的to是介词,不是不定式,所以不能加动词原形,用动名词,如:look forward to doing,get down to doing等。

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