31.As is known to us all, tiger is indanger of becoming extinct.

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 .

17.The reason why they changed their mindto us yet.

16.Please wait a moment! I the fish for dinner now, and I will help you after that.

15.When I got to the cinema, the filmfor five minutes.