问题补充:
Listening to loud music at rock concerts caused hearing loss in some teenagers.
A. is
B. are
C. has
D. have
答案:
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
时间:2019-01-31 03:06:19
Listening to loud music at rock concerts caused hearing loss in some teenagers.
A. is
B. are
C. has
D. have
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