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题目内容
（东华大学大学英语4）
64. He didn’t pass the final examination. He _______it. 他没通过考试。他本来应该为考试做准备的。
A. must have prepared for
B. ought to prepare for
C. ought to have prepared for
D. should prepare for
A. must have prepared for
B. ought to prepare for
C. ought to have prepared for
D. should prepare for
参考答案
