用所给词的适当形式填空 The workers ---(work) for 12 hours since nine o'clock

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用所给词的适当形式填空 The workers ---(work) for 12 hours since nine o'clock

用所给词的适当形式填空 The workers ---(work) for 12 hours since nine o'clock
用所给词的适当形式填空 The workers ---(work) for 12 hours since nine o'clock

用所给词的适当形式填空 The workers ---(work) for 12 hours since nine o'clock
have been working 从九点钟开始,工人们一直不停工作了12小时

The workers 【 have worked 】for 12 hours since nine o'clock.
since 自从, 是现在完成时的时间状语,结构: have/ has + 过去分词
祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!不是have/ has been dong sth ?如果是初中就用 have wor...

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The workers 【 have worked 】for 12 hours since nine o'clock.
since 自从, 是现在完成时的时间状语,结构: have/ has + 过去分词
祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!

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