题目信息
Used until the end of the Second World War, the German army employed the U-boat to attack both military or civilian watercraft.
A:the German army employed the U-boat to attack both military or
B:the U-boat was employed by the German army to attack both military and
C:the U-boat employed the German army to attack both military or
D:the German army had employed the U-Boat to attack both military and the
E:the U-boat has been employed by the German army to attack both military and also
参考答案及共享解析
共享解析来源为网络权威资源、GMAT高分考生等； 如有疑问，欢迎在评论区提问与讨论
本题耗时：
已选答案：
正确答案：
B:the U-boat was employed by the German army to attack both military and
划线部分的主语是used的修饰对象
A.used不能修饰the German army；
B.正确答案；
C.boat不能雇佣german army，employed应该是被动时态；
D.had employed时态错误，此处不需要表示过去的过去，用过去时态就可以；both...and...结构不平行；
E.has been employed时态错误，应该用过去是；both...and also...结构错误。
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题目来源
Manhattan
