学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and

学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and have to和must的区别 have to do和must的区别 must和have to的区别是什么? 英语have to和must的区别 need,must 和 have to 的区别need,must and have to的区别 must和have to的区别和语法和例句 have to 和must 的用法和区别? 两个词的区别must 和 have to 的区别 must 和 have to 的区别是什么用法的区别 have to 和must的两个英语选择题.You ___be more careful next time正确答案为have to，为什么不能用mustYoung trees ____be planted in spring 正确答案为 must为什么不能有have to have to 和 must的区别及用法上 must和have to的具体区别帮个忙,小女感激不尽 have to和must的用法有区别么? 英语中have to和must的区别 have to 和must 的区别是什么记住,一定要直观,比如是 I must还是have to do my homework?must是被动还是have to 是被动 need ,must 和have to 的区别must和 need的区别 must和have to的区别 must not和can not的区别