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我们早上有三节课We have three classes in the morning.Do you have three classes in the morning?We don't have three classes in the morning 通常六点半起床I usually get up at half past six.Do you usually get up at half past six. I don't usually get up at half past six. 他正在跑步.He is runnung Is he running He isn't running 我们着玩的高兴.We are having a good time.Are you having a good time.We aren't having a good time
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