No student       go out of school for snacks during the break without the teacher’s permission.

--I went to work on foot yesterday, though it was raining cats and dogs.---You __________ a bus. You were likely to get a cold.

----Will you take up teaching as a career after graduation?---- Hard to say. I ________ go abroad for higher education instead, but it depends. 

—Why is online shopping getting more popular? —I think it _________ save a lot of time.

The fans never expected their favourite team, which owns so many excellent players, ________have been defeated in the first round!