please be quiet 改为否定句 ______ ______ quiet ,please.

please be quiet 改为否定句 ______ ______ quiet ,please. Please be quiet (改成否定句) Please _____ ______ quiet. Please be very quiet.改为否定句 Please（ ）（ ）very quiet. Please be quiet in class .（改为否定句） Billy,please be quiet.改为否定句怎么做 please keep quiet (改为否定句) please be ______(quiet) in the library please be quiet.变否定句.为什么? Please be quiet. (改为同义句) _______ ________ quiet 英语变形Please be quiet变为否定句! please keep ______ make quiet 选一 Be quiet,please!___改为——