can,what,how,do,等,在句首到底怎么用,怎么区别`

can,what,how,do,等,在句首到底怎么用,怎么区别` can,what,how,do,等,在句首到底怎么用,怎么区别` ( ) can i do?填what 还是how I do not know how I can do it同一句能改为I do not know what I can do.. they can do what they like句中what是什么意思,what在句中起什么作用 Can you tell us what we should do next?(改为同义句)好评等你拿! how to do,what to do,what i can do的用法how to do,what to do,what i can do怎么使用? What else can they do?同意句 同意句:what else can they do? can do she what连词成句 What can you do?的同义句 什么时候what do you think CAN you.什么时候what do you think you can还有举几个同一句,分别用what 和how 引导的what do you think of =. 3.uncle dose your what do?4.I the museum get how can to science 连词成句. 英语根据句意填空How kind you are!You always do what you can ______(help) others. what can i do 和how can i do两句是不是都符合语法规范?如果是,意思有什么不同? please tell me ___ to improve my English.A.what i can do B.what can i do C.how i can do D.how can i do. （ ） can she do?A.What B.How What can I do for myself now?And how?