This kind of medicine in a dry and cool place。A. keepB. keptC. must keepD. must be kept

发布时间：2020-08-23 02:26:02

This kind of medicine     in a dry and cool place。
A. keep
B. kept
C. must keep
D. must be kept

网友回答

A. keep
B. kept
C. must keep
(答案→)D. must be kept
解析：句意：这种药必须保存在干燥凉爽的地方。结合语境可知本句主语是动作对象，故用被动语态，故选D。
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