Many teens don't get enough sleep because they have too much homework to do, which them u

发布时间：2020-08-17 09:57:00

Many teens don't get enough sleep because they have too much homework to do, which      them up at night.
A. makes
B. breaks
C. turns
D. keeps

网友回答

A. makes
B. breaks
C. turns
(答案→)D. keeps
解析：答案：D　考查动词短语的辨析。keep sb. up 指“使某人熬夜”。
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