Listeningtoloudmusicatrockconcerts

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问题详情:

 Listeningtoloudmusicatrockconcerts

 Listening to loud music at rock concerts _____ caused hearing loss in some teenagers.

A. is      B. are    C. has   D. have      

【回答】

C

知识点:主谓一致

题型:选择题

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