It’s not good for young students to stay late at night.A. offB. inC. outD. up

问题补充：

It’s not good for young students to stay late at night.

A. off

B. in

C. out

D. up

答案：

A. off

B. in

C. out

(答案→)D. up

解析：

考查词组stay up late是“熬夜”符合句意：年轻学生晚上熬夜是不好的。应选D。stay in是“呆在家里”stay out是“呆在外面”。