2. 外语
  3. The examination has been cancelled. You ______ all that review, after all.

The examination has been cancelled. You ______ all that review, after all.

admin2011-03-26  31
问题 The examination has been cancelled. You ______ all that review, after all.
选项 A、didn’t need to do
B、needn’t do
C、needn’t have done
D、needn’t to do
答案C
解析
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