问题
选择题
Both Class 3 and our class won't be able to finish the work unless we ________ each other.[ ]
A. team up with
B. come up with
C. put up with
D. catch up with
答案
答案：B
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Both Class 3 and our class won't be able to finish the work unless we ________ each other.[ ]
A. team up with
B. come up with
C. put up with
D. catch up with
答案：B