16.Doris' success lies in the fact_____she is cooperative and eager to learn from others.

18.Our teacher recommended that we_______as attentive as possible when we visit the museum.

55. What’s the main idea of the text?

54. We can infer from the last paragraph that .

44. What can be learned from Paragraph 5?

23.

34.

51. The underlined word “It” in Para. 2 refers to ________.

33.

3.People who don't regularly drink caffeine tend to be more_____to its negative effects.

8. It took _________people as well as ___________time to build the bridge.

43. What was especially important for Tim’s successful defense in the football game?