The policeman helped the old woman walk _________ the road. [ ]

There was _____ I cared about how others may see me. Now I know how silly I was.

Ten years ago the population of our village was _______ that of theirs.

The air in the countryside is , so many people from the city drive cars there on weekends.

As more and more restaurants join “clear your plate” campaign, people are encouraged _______ food any more.