21. A. subject                 B. club                  C. put                             D. lunch

22. A. but                       B. lunch                C. student             D. up

23. A. day                      B. lake                  C. tall                    D. plane

24. A. restaurant             B. river                 C. well                  D. left

25. A. office                             B. behind              C. clinic                D. picture

26. A. activity                 B. compass           C. thank                D. have

27. A. come                             B. someone           C. brother             D. volleyball

28. A. lunch                             B. computer                   C. calculator                   D. uniform

29. A. picture                 B. minute              C. bicycle              D. listen

30. A. repeat                   B. wearing            C. teacher              D. meat