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

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.

9.Physicians need ________ expertise in pain and symptom management and skills in communication to meet the many needs of this population.

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

40.

31.

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

18. Both approaches agree on what is depicted in the poem, but not how it should be ________.

5. —The Spring Festival is drawing near. I am considering traveling in a small town, especially ______ with an ocean view.   —I agree with you; I would appreciate it if you could take me there.

33.磊磊参加的合唱团少来了一个人，没人发现，但今天少来了两人，磊磊一下就发现了，这说明磊磊（ ）能力强。

35.

53. According to the author, the refrigerator magnet is ________.