must i clean the classroom right now?No,you ( )

must i clean the classroom right now?No,you ( ) Must I clean the classroom now?No,you____.You can do it afte Must I clean the room now No you don't_______ Must we clean the classroom now?No,you needn't.It ______ aft -must we clean the room right now? -no,you___.YOU____clean i You have to clean the classroom right now.(否定句) Must I return the book to you right now?No,you needn’t.You m Must I clean the room now (作否定回答） No,you _____ _______ _____ must i clean my room now ?---no, you ___ .but you must clean ---Must I finish composition right now?---No,you___.You can Must I fill in the check-in form right now,sir?No,you needn` Must they clean the classroom now?No,they ___.A.can't.B.need