This new kind of chemicals will help keep the air, soil and water from pollution.A. freeB.

发布时间:2020-08-17 06:10:04

This new kind of chemicals will help keep the air, soil and water     from pollution.
A. free
B. empty
C. loose
D. short

网友回答

(答案→)A. free
B. empty
C. loose
D. short
解析:考查形容词:A. free 自由的,免费的,free from免于,没有,B. empty 空的,C. loose松散的, D. short短的,句意:这种新的化学物质会有助于保持空气,泥土和水免于污染。选A。
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