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67. David had promised to give up smoking, so he felt a________ of himself when he had a cigarette in his office.

66. The height of the land along Changbaishan v_______ from 700 meters above sea level to over 2000 meters.

65. Soldiers are supposed to o_______ their orders without question.

63. Although he is a man with a d______, he is hoping to be educated like any able-bodied person.

64. The Student Times is published w______, so students can get a new copy every seven days.

62. The teacher tried to c______ Lucy after she failed in the exam.