单项选择题

She not only works very hard but also ______ others.

A. help
B. helps
C. helping
<上一题 目录 下一题>
热门 试题

单项选择题
Why didn't you ______ the Great Wall in summer holidays
A. visit
B. to visit
C. visiting
单项选择题
They spent a lot of time ______ their paper.
A. finish
B. finishing
C. to finish
相关试题