------ is the seat free?------ it’s taken. My friend will be back soon.A. I’m sorry; I a

问题补充：

------, is the seat free?

------, it’s taken. My friend will be back soon.

A. I’m sorry; I apologize

B. I beg your pardon; I’m afraid

C. Good morning; Oh, that’s right.

D. Excuse me; Sorry

答案：

A. I’m sorry; I apologize

B. I beg your pardon; I’m afraid

C. Good morning; Oh, that’s right.

(答案→)D. Excuse me; Sorry

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