改错 Must I reach there before 7:00?-----No,you mustn't.

改错 Must I reach there before 7:00?-----No,you mustn't. “Must I reach there before 7:00?”“No,you mustn't.” 改错—Must I practice the piano now?—No,you mustn't. 英语改错 Must i finsh my home work at school No.you mustn＇t A：Must I go there?B：No,you mustn’t.哪里错了? May i go swimming now?no,you (mustn＇t/may not）.YOU must fini 修改错误Must I do my homework now?No,you mustn’t.__________ -Must I wash dishes after supper?-No,you ( ).A mustn't.B don .—Must I do it right now?—No,you .A.won’t B.mustn’t C.don’t Must I go to the supermarket now?的否定回答应用No,you mustn't.还是No, 如题,Must we go there now?No,you mustn't 这句话的错误之处 must I finish the homework now?No,you mustn't.请问这句话哪里错了?怎么改