题目内容：

根据要求改变下列句子（0.5分*10=5分）

1.I have lived in the flat since I was born.(对划线部分提问)

_______     ____have you lived in the flat ?

2.Sandy is wondering where she can ask for help. (保持句意不变）

Sandy is wondering where ______ ______ for help.

3.Yesterday all of us gave the books back to the library on time. (保持句意不变）

Yesterday all of us _________the books ____the library on time.

4.Andrew joined the Football Club two years ago. (保持句意不变）

Andrew _________ _________ _________ the Football Club ______two years.