题目内容
5. Although he was badly injured in the accident,he was able to tell the police . (happen)
虽然他在这起事故中伤得很严重，但他能够告诉警方发生了什么事情。
5. what had happened从句谓语动词happen发生在主句谓语动词was able to tell之前，所以用过去完成时。
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5. Although he was badly injured in the accident,he was able to tell the police . (happen)
虽然他在这起事故中伤得很严重，但他能够告诉警方发生了什么事情。
5. what had happened从句谓语动词happen发生在主句谓语动词was able to tell之前，所以用过去完成时。