2. 外语
  3. When farmers______their crops with chemicals, excess phosphorus can wash into rivers and lakes.

When farmers______their crops with chemicals, excess phosphorus can wash into rivers and lakes.

admin2019-07-01  43
问题 When farmers______their crops with chemicals, excess phosphorus can wash into rivers and lakes.
选项 A、fertile
B、fertilize
C、fertilization
D、fertility
答案B
解析 The first clause needs a verb: fertilize.
转载请注明原文地址:https://jikaoti.com/ti/o3hYFFFM
0

托福（TOEFL）

相关试题推荐
随机试题
最新回复(0)