回答:1,must You must get up early tomorrow or you will be late.你明天必须早起不然会迟到。 2,mustn't You mustn't watch TV without permission.没有经过允许不可以看电视。
must/mustn\t造句。。
1,must
You must get up early tomorrow or you will be late.你明天必须早起不然会迟到。
2,mustn't
You mustn't watch TV without permission.没有经过允许不可以看电视。2013-10-07