Must we do it now?的否定回答是什么?

Must we do it now ?的肯定回答以及否定回答? Must we leave now 否定回答 Must we clean the ciassroom now否定回答 把Must we clean the classroom now?改成否定回答 Must we go to the park now?做否定回答 must i do the dishes now?做否定回答 Must I go school now?否定回答是什么? must i do it now?回答怎么答? Must she do it now?(做肯定回答) Must I wait for you here now?的否定回答 must I 的否定回答形式是什么? “Must we do it now?” “Yes,you ______.A.can B.must C.may