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補全對話。
A: Summer holiday is coming. __1__
B: Well, I'd like to visit my aunt in Hong Kong.
A: Really? Hong Kong is a nice place to travel. __2__
B: I'm leaving next week.__3__
A: Oh, I'd like to go sightseeing in Sichuan.
B: That's great. The scenery in Sichuan is beautiful__4__
A: By train. It's expensive to go there by plane. By the way, how long are you staying in Hong Kong?
B: For two weeks.__5__
A: My parents. They are both teachers. They are free in summer.
B: Have a nice vacation!
A: You, too!