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單項(xiàng)選擇題

Good morning, John . How are you doing?（）

A.I'm pleased.
B.Good night.
C.Not so bad. And you?
D.How do you do?

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單項(xiàng)選擇題

Good evening, Professor Hardy. Good evening, John. Come in, please. Thank you, I hope I am not interrupting you. No,（）

A.thank you
B.not at all
C.thanks
D.let it alone

單項(xiàng)選擇題

Good afternoon. Can I help you?（）

A.No. I don't think so.
B.Thank you.
C.I need to buy a birthday present for my son.
D.Yes. I think so