单项选择题

The habit of economy one of the greatest differences between the savage and civilized men.

A. contains
B. Contributes
C. constitutes
D. continues
<上一题 目录 下一题>
热门 试题

单项选择题
The people in the snow-stricken areas need much more food than ______to them by the airforce.
A. being delivered
B. have been delivered
C. delivered

D. has been delivered
单项选择题
Everything is ready, ______
A. isn't it
B. aren't they
C. is it
D. are they
相关试题