补全对话

根据对话内容，在每个标有题号的空白处填入一个适当的句子，使对话完整，合乎情景。

　　Betty：When does Sally arrive in China?

　　Lingling：Next week．

　　Betty：________(1)?

　　Lingling：For two years．

　　Betty：But have you ever met her?

　　Lingling：No, I haven't．But I get on well with her．We like the same things．

　　Betty：________(2)?

　　Lingling：Yes, a little．She's studied it for a year．She says Chinese is very difficult．

　　Betty：Yes, it is! It's easier for me to learn Chinese because I am in China now．

　　Lingling：________(3)?

　　Betty：Since 2004．

　　Lingling：And how long have you studied Chinese?

　　Betty：For four year．________(4)?

　　Lingling：Because her school orchestra has a concert, she must play in it．But she has heard about the Hope Schools and she wants to visit a school in Gansu or Qingdao．

　　Betty：________(5)?

　　Lingling：It's a school for poor children　In fact, since 1989 Project Hope has built schools all over China．

　　Betty：Really? That sounds interesting．Tell me more．