摘要：The boy was praised for his bravery. The boy was praised because he saved the baby’s life in the freezing river. 二 状语从句的种类: A 时间状语从句: 连接时间状语从句的连接词有: (1) 连词:when, while, as. 它们都表示当-时候的意思.如果主句和从句的动作同时发生且都是进行时态.只用while, as. 其他情况下when, while, as通用.

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