l must do my homework对还是l have to do my homework对

问题描述:

l must do my homework对还是l have to do my homework对

两个都对.但答案是lhavetodomyhomework那,具体的问题是什么?l ( )do my homework

a/mustb/needc.have tod/may这个问题有问题。两个答案都可以。
不过,不要太钻牛角尖。哦好吧,,谢谢