2. 外语
  3. If farmers______so much of the prairie, the dust storms of the 1930s would not have been so severe.

If farmers______so much of the prairie, the dust storms of the 1930s would not have been so severe.

admin2019-07-01  27
问题 If farmers______so much of the prairie, the dust storms of the 1930s would not have been so severe.
选项 A、do not plow
B、have not plowed
C、had not plowed
D、will not plow
答案C
解析 In this past unreal conditional sentence, had not plowed is the correct verb form in the condition clause.
转载请注明原文地址:https://jikaoti.com/ti/ARhYFFFM
0

托福（TOEFL）

相关试题推荐
随机试题
最新回复(0)