us thirty minutes to climb to the top .相关试题
–A cup of coffee?
--______________.
A. A cup of coffee, please. B. Thank you. C. No, thank you.
–Good morning, Gr Green
--______________.
A. Good morning. B. Good afternoon. C. Good night.
–Hello, I’m Wang Bing.
--_________________.
A. Hello, David. B. I’m Wang Bing. C. Hi, I’m David.
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