题目内容
—Did you ask Tom for help?
—I ________. —I managed perfectly well on my own.
A. needn’t have B. don’t need to C. didn’t need to D. needn’t
【答案】
C
【解析】
试题分析:句意为:——你向汤姆求助了吗?——没有必要,我自己就做得很完美了。题干中的最后一句是关键信息:既然我自己可以做得很好,就“不必”麻烦别人了。解题的关键是找出动作发生的时间, 根据第一句话用过去时可以推测出空格处的时态也应该是过去时。Needn’t have done本不必做而做了,和句意不符,选C。
考点:考查情态动词
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