单项选择题

The lecture is so dull that he can't focus his attention on it

A. depend
B. concentrate
C. rely
D. put
<上一题 目录 下一题>
热门 试题

单项选择题
She persevered in her ideas despite obvious objections raised by friends.
A. Dersisted
B. consisted
C. resisted
D. suggested
单项选择题
The project was completed on time because the cooperation between the two compames.
A. cooperation
B. connection
C. combination
D. agreement
相关试题