2. 考研
  3. —I wonder why Mary didn’t come to the examination yesterday. —She______ since she had already passed it.

—I wonder why Mary didn’t come to the examination yesterday. —She______ since she had already passed it.

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问题 —I wonder why Mary didn’t come to the examination yesterday. —She______ since she had already passed it.
选项 A、didn’t need to
B、needn’t take it
C、needn’t to
D、needn’t have taken it
答案A
解析 didn’t need to(do sth)“不需要(做)……”，指过去没有做某事，也没有必要做。needn’t have done sth“没必要做”，表示已经做了，但没有必要做。
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考研英语一

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