There is ____ Mr. Smith at the door who wants to speak to you.A．a someB．certain_刷题宝

题干

There is ____ Mr. Smith at the door who wants to speak to you.

A．a some

B．certain

C．some a

D．a certain

上一题下一题 0.85难度单项选择更新时间:2010-11-10 03:08:56

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