Question

【题目】To improve Math, my friend Jack always to do some extra exercises.

A. wake up B. look up C. stay up D. come up

Answer 1

【答案】C

【解析】句意：为了提高数学，我的朋友杰克总是熬夜做额外的练习。考查动词短语辨析题。A. wake up醒来；B. look up查找；C. stay up熬夜；D. come up上来。根据句意结构和语境，可知ABD三个选项意思都与句意不符，故选C。