I didn't know your mobile number; otherwise I _____ you the second I got to Changsha.

____ the chat room ten minutes ago, you would have known what we were talking about!

It is required that the students _____ mobile phones in their school, so seldom _____ them using one.

To qualify yourself for this kind of new job, I recommend that you _____ some online courses.

Mr. Green requires that the students ____ cheat in any exam.

Who does that shop assistant think he is? He behaves as if he _____ the grocery.

We _____ the top of the mountain but for this awful weather. It rained all day.

Thank you, Jack Without your constant support I _____ those hard times.

The government urged that every effort _____ to bring down food prices.

— What courses are you going to take next term if you want to receive enough credits to get your degree?
— I don't know. But it's about time _____ on something.