The children could not ( )their voice down while they were discussing the new school rules.

The children could not ( )their voice down while they were discussing the new school rules.

题目
The children could not ( )their voice down while they were discussing the new school rules.
A,keep B,turn C,have D,get
要说原因 求把句子翻译一下
答案
当孩子们讨论新学校的校规时不能把声音讲小,意思就是激烈的讨论
选a keep,这里当控制讲
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