He was about to tell me the secret __ someone patted him on the shoulder.
Hi, Susan, are you interested in buying some used books for school? You _____ really save some money that way.
_______teachers are required to take part in this relay race.
Among the problems is _____ they often failed to take into account that those people are more likely to use sunscreen.
—I dare say you will definitely miss your flight if you don’t hurry. —Oh, _____. It’s almost the time.
Had it not been for the fact that I _____ absent, I would have asked you to do this right now.