题目内容
----May I speak to Mr. Smith? ----_____ , please. I'll
see if he is in.
A. Hold on B. Keep up C. Come on D. Look out
A
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题目内容
----May I speak to Mr. Smith? ----_____ , please. I'll
see if he is in.
A. Hold on B. Keep up C. Come on D. Look out
A