根据要求变换句子，每空一词。
Lingling said  “I am doing my homework now.”（改为间接引语）
Lingling said that she________doing her homework ______ .
I did my homework last night.（改为一般疑问句）
________ you ________ your homework last night?
It cost me 500 yuan to buy the digital camera.（改为同义句）
I  ________ 500 yuan ________ the digital camera
Hurry up, or we’ll be late.（改为同义句）
______ we _______ hurry up , we’ll be late.
Where does the boy live? Do you know?（改为宾语从句）
Do you know _________ the boy _________?