题目内容
【题目】He gave us a lot of help when we were in trouble, but we have nothing to give him ________.
A.in danger
B.in need
C.in return
D.in fact
【答案】C
【解析】句意:在我们困难的时候他给了许多帮助,但我们无以回报。A. in danger处于危险中;C. in need需要;C. in return作为回报;D. in fact事实上。根据句意,所以答案是C。
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