补全对话, 每空一词。

A: Hello! May I ask you some questions?

B: Sure.

A: What's your name, please?

B: Thomas Ruzic.

A: You speak English well. How long 1._____ you 2._____ studying English?

B: For three years.

A: Oh. Have you 3._____ been to 4._____ English-speaking country?

B: Yes, I have. I was an exchange student in the United States 5 three months.

A: Really? When was that?

B: When I 6._____ thirteen.

A: 7 do you want to improve your English?

B: I want to 8._____ around the world, and I need English to do that.