please be quiet 与 please keep quiet 区别是什么

please be quiet 与 please keep quiet 区别是什么 Please keep quiet,_____? Keep quiet,please.的同义句是什么? Please be quiet 是什么意思? Billy,please be quiet. And please be quiet. Please be quiet Please be quiet. "Silence,please!""Please be quiet!" please keep quiet the speech. please keep quiet in class be quiet 和keep quiet 的区别