-Hi, Paul. Long time no see. _________?-I've just bought a new car. It's great.
It isn’t a difficult job. I think the children can do it by .
— Li Lei’s grandfather is a Chinese doctor. — So is his father.
After twenty minutes’ walk, the children got to the park.
Jack usually goes skating with his friends the winter vacation.
— David, could you please tell me ? — Every four years.