As the world’s population _____ becoming ______, we have to do something to change the situation.
_____ they are very tired, they feel happy because they’ve finally finished their project.
How dangerous! She was driving the car with one hand and holding an ice cream with ____.
--I’m going to Hainan on vacation next week.--_.
--Jack, could you tell me ____? --Sure. In the post office on Green Road.
We have to ____ ourselves when we are away from home.