7．I was going to offer you some cake but there's________left．（　�。�
A．noneB．nothingC．no oneD．no

分析 我想要給你提供些蛋糕，但沒有剩下的了．

解答 答案：A．考查不定代詞．none表示特指的事物或人一個都沒有，nothing表示泛指，什么東西也沒有．no one特指沒有人．no，不，沒有，一般用在名詞前，否定后面的名詞．此空特指前面提到的"cake"，沒有任何蛋糕剩下，特指沒有蛋糕，用none．

點評 考查不定代詞的題，要在題干中找到所指代的事物，并確定是泛指還是特指．

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