39. A. taken up B. filled by C. occupied with D. picked up
38. A. therefore B. as C. but D. though
37. A. hold up B. pick up C. put up D. free up
36. A. problem B. question C. mean D. answer
35. A. more B. less C. least D. fewer
34. A. using B. talking C. moving D. handing
33. A. quite B. almost C. hardly D. nearly
32. A. attention B. attractive C. careless D. inattentiveness
31. A. with B. before C. in D. on