_____ do you talk to your teacher at the School of the Air?—Once a week.[ ]

．—Mary，here’s a dictionary．I hope it will help you．—Thanks a lot．It’s ________ what I need．

The English teacher isn’t here. She ________ to the office.

Would you like music ? –Good idea .

To improve their oral English, everyone in the class is supposed to ______ actively in these discussions.