—I think students should be allowed to have mobile phones to call their parents.—_______! They may play games in class.
It was until last year that he ___________.
They are looking forward to _____________ to the lecture by the famous professor.
Have you determined ___________?
---Can I help you? ---Yes, I bought this radio here yesterday, but it _____________.
He looked very confident and calm during the test, but __________ he was extremely nervous.