please be quiet.变否定句.为什么?
please be quiet.变否定句.为什么?
please be quiet.变否定句 please stand in line.变否定句 don t stamp y
please be quiet 改为否定句 ______ ______ quiet ,please.
Please be quiet (改成否定句) Please _____ ______ quiet.
Please be quiet in class .(改为否定句)
英语变形Please be quiet变为否定句!
Billy,please be quiet.改为否定句怎么做
Please be very quiet.改为否定句 Please( )( )very quiet.
把be quiet变为否定句怎么变
please keep quiet (改为否定句)
oh ,and we also have to be quiet in the library 变否定句
用be quiet 造否定句