31. In order to make ______ paper, people will have to cut ______ trees.

A. more , fewer　 B. more , more　 C. fewer , more　 D. fewer , fewer

30.If it ______(be) an interesting movie, we’ll see it this Friday.

29.When I saw the beautiful present ,I was ______(surprise).

28.The boy was walking down the street when a UFO ______(land).

27.He is getting on _____(good) with his English.

26.Tom lives in a tall _______(build) with eighteen floors.

25.Everyone has a _____(机会) to succeed if he works hard.

24.You are ________(应该) to do your homework.

23.The barber wanted to know what was ______(发生) there.

22.He has no money .I don’t have , ______(也).