As I walked the countryyards, I noticed how the peasants devoted hours to cleaning it.A. a

发布时间：2020-08-17 12:11:25

As I walked     the countryyards, I noticed how the peasants devoted hours to cleaning it.
A. across
B. down
C. through
D. along

网友回答

A. across
B. down
(答案→)C. through
D. along
解析：考查介词和动词的搭配。through从空间里穿过；across从物体的表面过去.。
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