Complete the dialogue with proper words or sentences.

Tom: Hello, Mary! ?

Mary: Hi, Tom! I'm going to Zhangjiajie for my holiday.

Tom: Zhangjiajie? Where is it?

Mary: Oh, it's in Hunan Province, China.

Tom: ?

Mary: My friends, Alice and Jack.

Tom: ?

Mary: We're going to leave the day after tomorrow.

Tom: ?

Mary: We're going to watch the sunrise(日出)and take some photos.

Tom: ?

Mary: We'll stay there for about a week. Bill has ever been there. He said that there were a lot of things to see and to do there. Why not go with us?

Tom: Good idea.