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

please be quiet 改为否定句 ______ ______ quiet ,please. Billy,please be quiet.改为否定句怎么做 Please be very quiet.改为否定句 Please（ ）（ ）very quiet. Please be quiet in class .（改为否定句）Please ---- ----- ---- in class . Please be quiet (改成否定句) Please _____ ______ quiet. please keep quiet (改为否定句) please be quiet.变否定句.为什么? Be quiet,please!___改为—— Please be quiet. (改为同义句) _______ ________ quiet 英语变形Please be quiet变为否定句! You should be in a quiet room.改为否定句 Tom used to be really quiet[改为否定句 He used to be quiet.(改为否定句） He _____ _____ to be quiet. Be quiet 否定句 Billy,please be quiet. Please be quiet 是什么意思? And please be quiet. Silence,please!Please be quiet!