We have been good friends ________ we joined the same ping-pong team.[ ]
In our city, _______ middle school students want to work as a teacher in the future.
Here _____ my books. My pen is _____ my pencil case. [ ]
What’s wrong with Sally? —She was ill. She ______in the rain yesterday.
________ did you work for this company?—About 10 years.[ ]