In the west, people make _______ a rule to send Christmas present to their relatives and friends.
If you sit in an office all day long and rarely _____, you’re likely to suffer from neck andback pains.
—Larry, I will call you at 6 o’clock tomorrow morning.—Thanks, Mum. But it’s too early. I _____then.
Don’t be afraid of challenge; there is _____like it to bring out the best in a person.
_____as a responsible person ,Tony was appointed head of the department.
Some fruits are so easily harvested in this area that they are never of great _____