Please open your books.改为否定句
Please open your books.改为否定句
please open your books.变否定句为什么是在open前加don't
Please put away your books(改为否定句)
please open the window.改为否定句
please open the window. 改为否定句
Open the window ,please.改为否定句
Open you mouth ,please.改为否定句
Open the door,please.(改为否定句)
Open your books怎样改成否定句,句意不变
close your eyes,please.改为否定句
改为否定句 Please take your seat.
could you please open the door?改为否定句