80.Two hundred _____(被盗的) bicycles were returned to their owners
last month. 80.__ __
79.I must ____(道歉)for not having been able to write to you sooner. 79.__ ___
78.This plant is found in the ___________ (南部)parts of the country 78.______.
77.Tom is _____________(在楼上). Go and find him yourself. 77.______
根据下列句子及所给汉语注释,在句子右边的横线上,写出空缺处各单词的正确形式。(每空只写一词)
76.That flying school graduates a hundred ______ (飞行员)every year. 76.______