题目

根据句意及所给中文提示或英文解释，写出句中所缺单词。 51. As      ▲   （年级）9 students, we should work harder for a bright future. 52. We can see the light in his room        ▲   （通过）the window. 53. I don't think students should be      ▲   （允许）to bring mobile phones to school. 54. I studied very hard last term, so I made great    ▲   （进步）in the exam. 55. I hope we can make a    ▲   (决定) today. 56. I received a present from my friend, but I didn’t a    ▲   it. 57. Peter’s father is very    ▲    (not free), so he does not have much time for his family. 答案：51. Grade     52. through  53. allowed   54. progress 55.decision 56. accept 57. busy

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