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

单选题

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

答案解析

单选题

Mr. Smith became very ______ when it was suggested that he had made a mistake. A. ingenious B. e

答案解析

单选题

Mr.Smith had an unusual（ ）：he was first an office clerk，the a sailor， and ended up as a school teacher.

答案解析

单选题

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

答案解析

单选题

Mr. Smith gradually _____ a knowledge of the subject.

答案解析