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—Whydoyoulooksoupset?—Therearesomanytroublesomeproblems...

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问题详情:

—Whydoyoulooksoupset?—Therearesomanytroublesomeproblems...

—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

【回答】

C

知识点:非谓语动词

题型:选择题