The thief tried to open the locked door but _________.A.in no wayB.in vainC.without effectD.at a loss

分类: 作业答案 • 2022-04-14 13:24:05

问题描述：

The thief tried to open the locked door but _________.
A.in no way
B.in vain
C.without effect
D.at a loss

答

B徒劳