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题目内容
（东华大学大学英语4）
121. You buy some reference books when you go to college.
A. could B. will have to
C. must to D. might
上大学时，你要买些参考书。
A. could B. will have to
C. must to D. might
上大学时，你要买些参考书。
参考答案
