18. A. Because B. If C. Although D.However
17. A. choice B. knowledge C. decision D. sense
16. A. common B. pleasant C. important D. faithful
15. A.regularly B. actually C. hardly D. probably
14.A. friends B. strangers C. tourists D. guests
13.A. happy B. enjoyable C. frequent D. daily
12.A.forgotten B. lost C.known D. hurt
11.A. disappearance B. appearance C. misfortune D.fortune
10.A.better B. worse C. more D.less
9. A.respected B.missed C. praised D. admired