28.We are going to learntomorrow.

27.By the time the course ends, a lot about the American way of life.

26.English as a language of international communication throughout the world.

25.This is the second time that Mr. Smiththe Great Wall, the first time being ten years ago.

24.Mr. Morrison told the truth that the moonaround the earth once a month.

23.Heby his sister at that moment.

22.Mr. Grantin Hangzhou since 2006. He loves this city.

21.Tom can＇t speak Chinese, but Peter.

20.I the whole of War and Peace by the time I was seven years old.

19.The old man since he came into the hospital.

18.I need one more stamp before my collection .