The boy was in bed and reading a book. A.lie B.lying C.liing D.lay 答案:B lie的现在分词用lying.——青夏教育精英家教网—

摘要：The boy was in bed and reading a book. A.lie B.lying C.liing D.lay 答案:B lie的现在分词用lying.

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The boy was in bed and reading a book.