新概念英语2册34课,第一句话.Dan Robinson has been worried all week.这句话是现在完成时的被动语态,是不是错了啊,不应该用被动啊.新概念英语2册34课,第一句话

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• 新概念英语2册34课,第一句话.Dan Robinson has been worried all week.这句话是现在完成时的被动语态,是不是错了啊,不应该用被动啊.新概念英语2册34课,第一句话
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