Listening to loud music at rock concerts caused hearing loss in some teenagers.A. isB. ar

发布时间:2020-08-17 00:03:38

Listening to loud music at rock concerts      caused hearing loss in some teenagers.
A. is
B. are
C. has
D. have

网友回答

A. is
B. are
(答案→)C. has
D. have
解析:考查时态,动作就已经发生,对现在造成的影响,所以用现在完成式,因为主语是单数,所以用has,句子意思“听大声的摇滚音乐已经造成一些青少年丧失听力”,所以选C
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