问题 选择题

The unemployment rate in this district    from 6% to 5% in the past two years.

A.has fallen

B.had fallen

C.is falling

D.was falling

答案

答案:A

考查动词时态。根据时间状语in the past two years可知用现在完成时,选A。

单项选择题 A1/A2型题
单项选择题 A1/A2型题