2. 外语
  3. The crime rate in this country______from 7% to 4% in the past two years.

The crime rate in this country______from 7% to 4% in the past two years.

admin2014-09-18  20
问题 The crime rate in this country______from 7% to 4% in the past two years.
选项 A、has fallen
B、had fallen
C、is falling
D、was falling
答案A
解析 谓语动词时态题。in the past two years“在过去的两年里”，是指从过去的某一个时间开始延续的动作，应该用现在完成时。
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