作业帮The concert began two hours 的同意句是什么
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 16:15:52
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The concert began two hours 的同意句是什么
The concert began two hours 的同意句是什么
The concert began two hours 的同意句是什么
The concert began two hours ago.
= The concert has been on for two hours.
考点：过去式转换成现在完成时（且要用延续性动词）
The concert will last for two hours.
The concert has been on for two hours
The concert began two hours 【ago】?
音乐会已在两小时前开始