1.all the way from Canada to Mexico　 2.added up to no more than one year　 3.for a variety of reasons　

6. available　　 7. separation　　 8. relationship　　 9. discrimination　 10. ridiculous

1. benefit　　 2.demands　　　 3. absorbed　　　 4.boycotts　 5. freedom

7. A. To tell the truth asks for a lot of courage.

　 B. ______ ________ a lot of courage ________ tell the truth.

1---5　 CACBC　 6---10　 BCADA　 11---15 ABACA　

16-20 CBBba 　　abadc

9. A. He continued speaking, paying no attention to my feelings on the matter.

　 B. He continued speaking, ___________ _______ my feeling on the matter.

8．I was told that the murderer was __________________ (被捕)

7. Most of the Republic Party ___________________________________(投票赞成那项措施)

6．___________________(乍看之下)，their demands seemed reasonable.

5. I rely on you ____________________________ to the workers.(为工人们树立个好榜样)

4. _____________ his composition, mine is just so so. (和他的作文相比)