---Why do you look so upset?---There are so many troublesome problems ____.A．rem

题干

---Why do you look so upset?
---There are so many troublesome problems ____.

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

上一题下一题 0.4难度单项选择更新时间:2012-07-05 11:47:32

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