单项选择题

A research center has been set up in this country.

A. praised
B. established
C. reformed
D. criticized
<上一题 目录 下一题>
热门 试题

单项选择题
In order to survive man needs to consume food and water.
A. work
B. play
C. live
D. walk
单项选择题
If headaches only occur at night, lack of fresh air is often the cause.
A. deliver
B. fall
C. happen
D. arrive
相关试题