We have to ____ ourselves when we are away from home.
—Peter said that he would come over to have dinner with you tonight. —But I think he. I have been alone for an hour.
—Can you come back at 3 o'clock tomorrow afternoon? — . I'll have an important meeting at that time.
—Could you tell me ? —Sure. Just go straight and turn right. You'll find it on your left.
If his brothera millionaire(百万富翁), he'd buy her sister the expensive car.
What do you think is the best way tothe pollution problem?