题目内容
【题目】The thief broke in, trying to open the safe, but .
A. in no way
B. in vain
C. without effect
D. at a loss
【答案】B
【解析】in vain徒劳,白费力气。
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题目内容
【题目】The thief broke in, trying to open the safe, but .
A. in no way
B. in vain
C. without effect
D. at a loss
【答案】B
【解析】in vain徒劳,白费力气。