根据对话内容，从方框内选择恰当的句子填入对话相应的空白处，使对话完整，合乎情景 (有两个多余选项)。

A. Have fun! B. How long are you staying? C. Good idea. D. I have a plan E. Have you made a plan? F. What about you? G. I want to go with you.

A：Summer holiday is coming.?

B：Yes, I'm going to my hometown

A：?

B：For about a month. ?

A：I want to travel to Hainan Island. It's a beautiful place of interest.

B：. But I have to visit my grandparents in my hometown.

A：It doesn't matter. If you stay in your hometown for fewer days, you'll have enough time to go traveling.

B：. Then I will go to my hometown as soon as the holiday begins.

A：OK! I will wait for you until you come back.

B：That's a deal! Thank you.