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-Why do you look so upset? -There are so many troublesome problems . [ ] A. rema

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-Why do you look so upset? -There are so many troublesome problems . [ ] A. rema

-Why do you look so upset?

-There are so many troublesome problems ________.

[]A.

remaining to settle

B.

remained settled

C.

remaining to be settled

D.

remained to be settled

试题答案

答案:C

解析:

remain为不及物动词,remaining是现在分词短语作定语修饰problems。remain后面常接不定式的被动形式。