Question

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

1. A.
   has fallen
2. B.
   had fallen
3. C.
   is falling
4. D.
   was falling

Answer 1

A
考查時態(tài)，句子的時間狀語是：in the past two years.而英語中in/during the past/last two /few years.都和現(xiàn)在完成時連用，句意是;這個地區(qū)的失業(yè)率在過去兩年已經(jīng)從6%下降到5%。選A。