31.-- Why do you look sad? --There are so many problems . A.remaining to settle B.remained settling C.remaining to be settled D.remained to be settled 查看更多

 

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-- Why do you look sad?

--There are so many problems _____.

A.remaining to settle   B.remained settling

C.remaining to be settled    D.remained to be settled

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--- Why do you look sad?

---There are so many problems ______.

A.remaining to settle

B.remained settling

C.remaining to be settled

D.remained to be settled

 

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—Why do you look sad?

—There are so many problems _____.

A.remaining to settle      B.remained settling

C.remaining to be settled     D.remained to be settled

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—Why do you look sad?

—There are so many problems _____.

A.remaining to settleB.remained settlingC.remaining to be settledD.remained to be settled

 

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--- Why do you look sad?
---There are so many problems ______.

A.remaining to settle
B.remained settling
C.remaining to be settled
D.remained to be settled

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