The old worker insisted that he ______ old, and ______ back to the working post again. [ ]

ter studied hard at school when she was young, which contributes ________ her success in her career

A noise was coming from _______, and after a while a man in black came downstairs and went away in the street.

Michael has changed beyond recognition.—！How did he manage to lose so much weight？

or the fact that Mr Smith ________ill yesterday, he would have attended the important meeting.