how must i do和what must i do有什么区别

how must i do和what must i do有什么区别 what must i do和what should i do 有什么区别 you must do as i told you?----- ( ) I don;tA what aboutB how comeC what ifD only if I‘m not happy.How can I do?还是What can I do? i'm sorry he didn't tell me_______.A.how to do B.what to do C.how can i do it D.how i can do what must I do正确吗 英语翻译英文是：1.how must she do?2.how must her do?3.what must she do?4.what must her do?应该是哪个? ____ interesting work it is!I’m sure I can do it well.A.How B.What C.What an D.How good and____ interesting work it is!I’m sure I can do it well.A.How B.What C.What an D.How good and 麻烦说下A和C的区别 I'm very tired and in a bad mood in recently time,Some things trouble me .and I am hesitate.I don'tknow how to do.who can give me a hand?who can tell me what I must do.how to do.I lost my happiness.a lot of sad things get together with me.if it go on You must do exactly what I tell you to do What must I do 与What must do 有什么不同? what must do 与 what must I do 可以交换吗? ( ) can i do?填what 还是how I'm quite aware of how you must feel.请说明下must的意思和用法 What I must do ,what should I do ,what I can do ,I need the key of living what shoul i do what should i do 还是how should i do How do you find the work what/that I do? 这里 what和that是不是都可以用? I’m very upset and don’t know （）A what to do B how to do