what must he do?这句话中,如果把第三人称变了,变成they.那么是不是what must they do后面的do 是不是无论是什么人称都不变成does

what must he do?这句话中,如果把第三人称变了,变成they.那么是不是what must they do后面的do 是不是无论是什么人称都不变成does 怎么用语法解释这句话“you must do as he says”.如果是“you must do what he says”呢? 为什么He'll do what he can to study hard.这句话中What 不可以改成that I don t know food he will do 这句话引号中为什么填what What do you think he is 这句话对吗 what did he do with it?这句话和How did he do with it What we must do is reduce the use of the energy这句话有错吗 Does he must do the dishes after meals?这句话有错吗 英语 Does he must do the dishes after meals?这句话有错吗 英语 what must i do?what发不发t的音?这句话应该怎么读出来?哪发音那不发音? What do you think he will do after supper?这句话错在哪里? 这句话这么说对吗?What did he do before he is the manager? 1.Do you agree with what he said?这句话是宾语从句吗?2.Do you know what he tells us?这句话是宾语从句吗? Do you still remember what he said 这句话后面能换成 what did he say 为什么? He'll do what he can to study hard.这句话是什么从句,what可不可以改为that he will have to stay in hospital. that's what he must do .这是正确的句子,我想问,如果是that's what he must be doing ,就怎么错了 What must one do if he wants to learn another language well?What must one do if he wants to learn another language well? what musti/we/you/he/she/they do and what must not'' i/we/you/he/she/they do 是甚麽意思