1.Since you won't take advice,there is no ____ in asking for it.
A.place B.point C.reason D.way
答案是B 这个句子没明白什么意思
2.I can't find the recorder in the room.It _____by somebody.
A.must have taken B.may have taken C.may have been taken D.should have been taken
答案是C 为什么不是D 很少选择may作情态动词的选项。。
3.He left___an important detail in his account.
A.off B.over C.behind D.out
答案是D 这些词组都有什么意思 这句话是什么意思,我觉得应该选择C