64. 这个项目的失败让我们知道我们过高估计了他的能力。

21. The cost of traveling around the eight European countries can run ____ $2,000.

20. ____ man must fear when traveling in space is radiation from the sun.

28. Mr. Smith preferred ____ heavier work to do.

24. News came from the general manager ____ our product had sold badly in the local market.

40. Which of the following statement is not true?

19. Most of the people who are visiting Britain ____ about the food and weather there.

63. 这次验血将检测出你对这种病是否具有免疫力。

26. ____ all these books, the red one is the most popular among youngsters.

43. ____ will be given to the first contributor of a published story.

( )13. People living in cities also enjoy the stores and restaurants, the movie theater, and the crowds.

17. Our department has a large collection of books, ____ are in English.