86．__________ 87．__________ 　88．__________89．___________90．__________

81．_________　 82．_________　 83．__________84．___________85．____________

80．The boy looks sad．Let's do something to c_____________ him up．

(C)．用所给动词的适当形式填空。必要时可加助动词或情态动词

　 Yesterday I 81__________(interview)some students about the rules they have in school．All the students were interested in 82_________(talk)about them．Some said they 83__________ (have)to wear uniforms every day．They thought young people should look smart and so they would like 84_____________(wear)their own clothes．But their teachers believe that if they 85_________(do)that，they 86_______concentrater more on　 their clothes than their studies．They disagreed．they said they 87________(feel)more comfortable and that might be good for 88_____________(study)．If they can’t do that，they 89______(allow)to design their own uniforms．That would be a good way 90_________ (keep)both teachers and students happy．At present I don't think their teachers and their parents could agree with them．

79．If you know the Chinese meanings of all the words，you can’t _________the sentence easy．

78．Playing with a pet dog Can bring a lot of p________．So more and more people keep pet dogs．

77．My computer doesn’t work．I should have it f ______________up．

76．There is a big vegetable market near here．Every morning my mother can buy f_______ fruit and vegetables there．

75．Do you like ____________desk or the metal one?

(B)根据句意及首字母提示完成单词．

74．What do you think is the most__________invention?

73．I have many hobbies，____________playing football and listening to music．