46. A. oil B. mud C. air D. water
45. A. spent B. cost C. used D. said
44. A. speeds B. ways C. behavior D. means
43. A. reading B. saying C. learning D. spelling
42. A. want B. save C. live D. dream
41. A. teach B. talk C. understand D. protect
40. A. gave B. moved C. fixed D. took
39. A. friends B. sounds C. joys D. feelings
38. A. in B. on C. at D. out of
37. A. smile B. walk C. speak D. cry