why do not you try again?(

why do not you try again?(
why do not you try again?(改为同意句）
（　　　　　）（　　　　）（　　　　）again?
i want another two apples.（改为同意句）
i want（ ）（ ）apples.
could you give us any ideas on how we should deal with the problem?（改为简单句）
could you give us any ideas on （ ）（ ）（ ）with the problem?