It’s better your voice down in public places.A. keepingB. to keepC. keepsD. keep

发布时间：2020-08-23 08:51:34

It’s better      your voice down in public places.
A. keeping
B. to keep
C. keeps
D. keep

网友回答

A. keeping
(答案→)B. to keep
C. keeps
D. keep
解析：固定结构had better表示最好做某事，后跟动词原形；其否定形式在动词原形的前面加not即可。结合语境可知选B。
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