试题：

Li Rong told me what difficulties she had had  ______ English before she came to Canada.
A．learningB．learnC．learntD．to learn
现在分词, 过去分词, 不定式的被动式, 现在分词的被动式 2016-05-29

答案：

我来补答
A
考察非谓语动词..句意:李荣告诉我,在她来加拿大之前学英语是有多么困难. what difficulties she had had是后置定语,现在分词作宾语补足语表示正在进行的伴随性动作,和句子主语是主谓关系.故选A.
 
 
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