题目内容
— Excuse me, sir, smoking in the gas station.
— Oh, I'm really sorry.
A. doesn't allow B. isn't allowed C. aren't allowed
— Oh, I'm really sorry.
A. doesn't allow B. isn't allowed C. aren't allowed
B
试题分析:句意:---打扰了,先生,在气站不允许吸烟。---奥,真的对不起。doing sth. be allowed 做某事被允许。Smoking做主语用系词be的三单形式。故选B.

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