The unemployment rate in this city from 7％ to 6％ in the past two years.A. has fallenB. ha

问题补充：

The unemployment rate in this city from 7％ to 6％ in the past two years.

A. has fallen

B. had fallen

C. is falling

D. was falling

答案：

(答案→)A. has fallen

B. had fallen

C. is falling

D. was falling

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