I often go to the English corner to have a free talk with my classmates ____ I am busy.

.____has finished the task ahead of time will be rewarded,though we don’t know who It will be.

Being heavy is bad for people’s health, Ithink you’re a little heavy. You should eat ______ meat and _________vegetables.

The city government is taking steps to replace private cars buses in order to reduce the press of traffic.

Tom, you should know how to behave yourself. After all you will __________ 20 next month, and will __________ a teacher after you graduate from college next year.