( )what must i i thank him?I don't thing he helped us a lot

what i care,must be happy,please! what must I do正确吗 What an amazing news!I must study What I must do ,what should I do ,what I can do ,I need the key of living I have many friends,________some are businessmen.A .of them B.from which C.in what D.from tha how must i do和what must i do有什么区别 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? You must do exactly what I tell you to do What must I do _________the book.[open]怎么做 what do I must Mr.Smith? 连词成句!急! What must I do _________the book.[open]怎么做 What an amazing news!I must study well 什么意思? ( )what must i i thank him?I don't thing he helped us a lot what must i do和what should i do 有什么区别 “I am Yi,I will do what I promised,I must do it,because I can do!EVERYTHING 翻译Tha is all I have told you today. I’ve got a fever.What must I do?怎么回答