People are concerned about the quality of the air they .A. hear B. eat C. drink D. breathe

发布时间：2020-08-17 02:41:58

People are concerned about the quality of the air they     .
A. hear
B. eat
C. drink
D. breathe

网友回答

A. hear
B. eat
C. drink
(答案→)D. breathe
解析：句意:人们都关心他们呼吸的空气的质量。Hear听见； eat 吃； drink喝； breathe呼吸。根据句意故选D。
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