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11.It's quite warm here; we __________turn the heating on yet.(  )
A.couldn'tB.mustn'tC.needn'tD.wouldn't

分析 句意为:今天这里相当暖和,我们没必要开暖气.

解答 答案:C   根据上文"这里相当暖和",可以推知下文应该是:我们没必要开暖气.couldn't不可能;mustn't禁止;needn't不需要;wouldn't不会.根据语境,本题应该选择C.

点评 考查情态动词要注意句子所表达的含义中含有什么样的语气.

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