[填空题]Many, many years age, only boys could 76. ______ go to school in my home town. Then schools decided to let girls out. But Mr Brown, one 77. ______ of the teachers, was not of all pleased. He 78. ______ didn’t want to have some girls in his class. 79. ______ When he began his class, Mr Brown always said "Good morning, boys" at first. Now when gift students were in his class, he still said "Good morning, boys." One day there has 80. ______ only one boy in his class. Another were 81. ______ girls. Mr Brown didn’ t know what to do. He 82. ______ just said, "Good morning, boy". The next day he came into his classroom and look at 83. ______ all the students. There were not boys in his 84. ______ class. He was very angry and said, "Oh, nobody are here today!" He went out of the 85. ______ classroom.