试题详情

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

Mr. Smith gradually _____ a knowledge of the subject.

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

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

----- Hello, This is Sally speaking. May I speak to Mike？