第一节 根据提示完成句子 （共15小题，每小题1分，满分15分 ）
76. The entire population _______ ________ _________(消灭) by a terrible disease .
77. British Airways wants to ______ _______ ( 接管) a small rival airline .
78. What he did and said _______ me __________ (失望) .
79. ________ ________ ＿＿＿＿＿ ＿＿＿＿ (为了他自己的好), he has told her the truth.
