Years ago we didn't know this, but recent science study that people who don't sleep well soon get ill.
A. showed
B. will show
C. has shown
D. is showing
Years ago we didn't know this, but recent science study that people who don't sleep well s
答案:2 悬赏:50 手机版
解决时间 2021-04-15 01:27
- 提问者网友：姑娘长的好罪过
- 2021-04-14 00:55
最佳答案
- 五星知识达人网友：毛毛
- 2021-04-14 01:53
A. showedB. will show(答案→)C. has shownD. is showing解析：考查时态，句意：多年前，我不知道这个，但是最近的研究表明睡眠不好的人很容易生病。句中的recent 可知应用现在完成时。选C。
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- 1楼网友：酒安江南
- 2021-04-14 03:10
谢谢了
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