22.
(A) for;
(B) of;
(C) about;
(D) in.

18. "In British Columbia, where, since 1990, thirteen rainforest valleys have been clear-cut, 142 species of salmon have already become extinct, and the habitats of grizzly bears, wolves and many other creatures are threatened." From the quote above we know that wolves are also habitants of British Columbia, and grizzly bears are one of the _____ species there: (A) extinct; (B) endangered; (C) endeared; (D) threatening.

19. (A) with; (B) in; (C) for; (D) to.

20. (A) obligation; (B) initiative; (C) segregation; (D) alternative.

21. (A) munch; (B) mouth; (C) monitor; (D) demand.

23. (A) at; (B) on; (C) to; (D) in. 

24. (A) pairings; (B) moorings; (C) peeking; (D) monitoring.

25. (A) looked for; (B) logged into; (C) lagged behind; (D) lived up to.

26. (A) exam; (B) frontier; (C) answer; (D) none of the above.

27. Which of the following does not fit into the type of person being described in the sentence above? (A) socially inept; (B) socially awkward; (C) introverted; (D) socially adept. 

28. How did the young Orwell differ from his classmates? (A) He was much older than they were. (B) He was much richer than they were. (C) He was not interested in a "successful" occupation. (D) He was already a renowned writer upon entering school.