单项选择题

He's working hard for fear that he（）

A. should fall behind
B. fell behind
C. may fall behind
D. would fall behind

<上一题 目录 下一题>
热门 试题

单项选择题
In architecture (建筑学), a vault (拱顶) is a proof or ceiling in the （） of an arch.

A. form
B. figure
C. shape
D. appearance
单项选择题
Since you need to catch an early train tomorrow morning, we（）now.

A. might as well leave
B. had better to leave
C. ought to have leave
D. should have to leave
相关试题