1. ______ increase in the oil price have prompted anxiety among the car owners.

15.At the end of the historic area, Wilmington displayed its _______ as a working port city: large ware-houses and a few other dated office buildings.

4. Race remains a prominent and ______ issue in the United States, which has struggled to overcome a legacy of slavery and discrimination.

45. What does Sam Boakye’s remark mean?

41. The best title of the passage can be ________

50. The 13 measures of psychological well-being are used to _______。

2.The principle stressed using multimedia would never replace the one-to-one ________ between pupil and teacher. 

48. According to David Blankenhorn, people commonly believe that ________

23.

24.

36.

8. It is important that climate-friendly technologies should be ________ to developing countries to help them build green economy.