be quiet 和keep quiet 的区别

be quiet 和keep quiet 的区别 英文 保持安静 be quiet?Or keep quiet? please be quiet 与 please keep quiet 区别是什么 the different between be quiet and keep quiet Be quiet, keep quiet是什么标志 Keep _________(quiet/quite)! quiet quiet quiet Quiet quiet keep quiet(改为同义句) Billy,please be quiet. be quiet 反义疑问句 Please be quiet 是什么意思? Be quiet 否定句 be quiet的反义词