读下面对话，从对话后的选项中选出一个最恰当的答案完成对话。

　　Li Lei (A) sees a foreign friend student (B) in the park.

　　A：Hello, sir. May I speak to you in English?

　　B：Yes, you may.

　　A：We are studying English at school, We have very few chances(机会) to talk with the English-speaking people 1 .

　　B：Oh, you speak English well.

　　A： 2 . By the way, are you a student from America?

　　B： 3 . I'm from Australia.

　　A：When did you come to China?

　　B：Three years ago 4 .

　　A：I see. Do you like our country?

　　B：Yes, very much. It's a great country.

　　A：Thanks 5 .

a．Thank you.

b．No, I'm not.

c．Do you speak English.

d．I'm glad you like it.

e．So I want to practise English.

f．Yes, I am.

g．I've been in this city since then(从那以后).