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 .