摘要：15．I want my hair cut.because it wants . A．having; cutting B．to have; cutting C．to have; to cut D．having; to cut 答案与解析:B 第一个want主语是人.指某人想要做什么.后接不定式,第二个want相当于need.主语是物.后接动名词的主动形式表示被动意义.

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