You'd better speak in a low ________,She is sleeping.A sound B noise C voice D little
问题描述：
You'd better speak in a low ________,She is sleeping.A sound B noise C voice D little
答
选C Voice 是语音,人的说话声,和人有关.
B 是噪音
A 是一般的声音,总称
D 毫无关系