用A~E将下列句子排列成一段完整的对话。
( )(1) Hello , Lucy , You look worried , What’s the matter ?
( )(2) What is in your bag ?
( )(3) Yes , it is . Thank you !
( )(4) Hi , Tom !
( )(5) You’re welcome !
( )(6) I lost my bag , It’s big and red . It’s my favorite one .
( )(7) Is this your bag ?
( )(8) There is a book and two pencils in the bag .