21. We agreed to accept ____ they thought was the best tourist guide.

47.Listing of names and telephone numbers: giving an   47  order.

28. ____ his elder brother, Peter is quiet and does not easily make friends with his classmates.

（ ）53. Buyers can find out information about products on the Internet before buying them in traditional shops.

（  ）12. The fresh water on the earth accounts for about 97% of that huge amount.

2.

65.  应大力向公众宣传忽视环境保护的可怕后果。

40. Which of the following statements is TRUE?

（ ）51. Some customers still prefer traditional shopping because it is more personal and shopping with friends is full of fun.

34. Mary has a ____ view of our future. But nobody believes what she said.

5.

23. Under no circumstances ____ to tell lies to your friends.