Many teens don’t get enough sleep because they have too much homework, which the

Many teens don’t get enough sleep because they have too much homework, which ________ them up at night．

A.makes

B.breaks

C.turns

D.keeps

试题答案

D

接人作宾语时，选项A与之构成make up，指给演员化妆；break up指驱散、遣散；turn up出现，一般不接人作宾语；keep up指使某人熬夜。根据句子的意思本题的正确答案为D项。