Mr. Smith, who_______ as a teacher in our school for about 20 years, is now our mayor. A.has worked B.worke

单选题

---May I speak to Mr. Smith? ---_____ is Mr. Smith speaking.

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单选题

Mr. Smith gradually _____ a knowledge of the subject.

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单选题

– Doesn’t Mr. Smith live on that street?-No. This is _______ Mr. Brown lives.

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单选题

Tom’s teacher and friend ___ Mr Smith.

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单选题

Mr. Smith was much surprised to find the watch he had had _____ was nowhere to be seen.

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