Please be quiet .My father is a_____

Please be quiet .My father is a_____ Billy,please be quiet. Please be quiet 是什么意思? And please be quiet. Be quiet,please.My grandmather is____in the bedroom. Silence,please!Please be quiet! WILL YOU PLEASE BE QUIET PLEASE怎么样 please be quiet 改为否定句 ______ ______ quiet ,please. Please be quiet (改成否定句) Please _____ ______ quiet. please be quiet 与 please keep quiet 区别是什么 Don't be l___.please be quiet My aunt ____(write) letters in the next room.Please be quiet Please be quiet. (改为同义句) _______ ________ quiet be quiet的同义句,（ ）（ ）quiet,please. be quiet的同义句,（ ）（ ）quiet,please. please be quiet.变否定句.为什么? so please be very quiet 的意思 please be ______(quiet) in the library