试题与答案

Traffic conditions in Beijing________for

题型:选择题

题目:

Traffic conditions in Beijing________for decades. At first people only complained about jams during rush hours,but today every hour is rush hour. [ ]

A. is worsening            

B. have worsened

C. have been worsening      

D. worsened

答案:

答案:C

试题推荐
微信公众账号搜索答案