What 【will】SuHai【do】next Sunday morning?
She 【will take】part in a birthday party.no,no,no.我们现在学到的句型是I‘m ging to .....不关will的事这样啊，那改一改便可：What 【is】SuHai【going to do】next Sunday morning?She 【is going to take】part in a birthday party.