A. Because it began to rain very hard and they did not have their umbrellas with them. Because there was nowhere to hide from the rain. C. Both A and B.
A. 正确 B. 错误
A. Putting down B. Laying aside C. Picking up D. Taking away
A. 投资利益 B. 开发利润 C. 投资利息和开发利润 D. 投资利益和销售税费
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