The water level of the river has increased half a meter since it began to rain 7 days ago

发布时间：2020-08-16 17:24:57

The water level of the river has increased      half a meter since it began to rain 7 days ago.
A. on
B. for
C. in
D. by

网友回答

A. on
B. for
C. in
(答案→)D. by
解析： 考查固定搭配. Has/have increased by…增加了…….所以选D。
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