题目

物质世界充满了变化。下列变化中,属于物理变化的是(    ) 答案:D—— Look at the black clouds.It ______ soon. —— Sure.If only we _____out. A.is raining; didn’ t come      B.is to rain; won’ t start C.will rain; haven’ t started     D.is going to rain; hadn’ t come
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