I first met Lily five years ago. She ___ as a nurse in a hospital at the time.
To make members of a team perform better, the trainer first of all has to know theirand weaknesses.
_____ caused the great damage remains unknown.
Do you still remember the museum _____ we visited three months ago?
_____ breaks the law will be punished.
Weather ______, we’ll go out in the New Year’s holidays.