They are still sitting on the sofa.absorbed in conversation．题目和参考答案——青夏教育精英家教网—

6．They are still sitting on the sofa，absorbed （absorb） in conversation．

分析他们仍然坐在沙发上，全神贯注于谈话．

解答答案是absorbed．本题考查过去分词做状语，表示逻辑主语（人）的状态；英语中有一类短语"be+过去分词+to do/that 从句/介词短语"，这类短语往往说明其逻辑主语（人）的状态，在句中做定语、状语或补语时，往往用过去分词短语；本题中用短语be absorbed in （全神贯注于）说明they的状态，故用absorbed．

点评本题是要求用所给动词的适当形式填空，解题时首先考虑句中需要的是谓语动词还是非谓语动词；其次，如果是谓语动词关注时态、语态和数的变化；如果是非谓语动词要联系非谓语的基本用法判断非谓语的形式．

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