摘要：2．-I was wondering how to understand the grammar of these sentences. -You'd better break them into parts. A．down B．up C．off D．out 答案与解析:A break down意为“毁掉.分解 ,break up意为“打破.打碎 ,break off意为“中断.停止 ,break out意为“爆发 .根据题意.可知应该是把句子分解成几部分.

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