单项选择题

In American cities, traffic jams are （） because citizens in suburb have to drive every day to central business areas to work.

A. activated
B. aggravated
C. irritated
D. propagated

<上一题 目录 下一题>
热门 试题

单项选择题
（34）（）

A. Still
B. Anyway
C. Besides
D. Nevertheless
单项选择题
The（）of the town is not good, some of the pipes being broken.

A. drainage
B. charity
C. vegetation
D. nutrition
相关试题