53. A. still B. also C. even D. not
52. A. my B. someone’s C. the teacher’s D. your
51. A. may B. must C. will D. can
50. A. used B. built C. worn D. damaged
49. A. pencils B. mistakes C. marks D. containers
48. A. help B. show C. reward D. promise
47. A. lifting B. picking C. holding D. pushing
46. A. darkened B. brightened C. pulled D. loosened
45. A. surprise B. astonishment C. anger D. tears
44. A. left B. offered C. missed D. parted