27. A. top B. bottom C. side D. centre
26. A. large B. small C. tight D. heavy
25. A. bought B. worn C. took D. borrowed
24. A. snakes B. birds C. light D. rope
23. A. some B. two C. several D. three
22. A. clear B. flat C. big D. terrible
21. A. search B. find C. cover D. examine
20. A. called B. climbed C. got D. jumped
19. A. put B. lower C. throw D. make
18. A. too many B. so few C. any other D. no more