单项选择题

We are studying English hard ______ our country better in the future.

A. serve
B. to serve
C. serving
D. served
<上一题 目录 下一题>
热门 试题

单项选择题
The ______ thing would have been not to say anything.
A. skillful.
B. cunning
C. tactful
D. stupid
单项选择题
It is the fifth time you ______ late this week.
A. be
B. have been
C. will be
D. are
相关试题