You look so tired.What's up?I ( ) my computer all the aftermoon.But is still doesn't work.
问题描述:
You look so tired.What's up?I ( ) my computer all the aftermoon.But is still doesn't work.
填have been repairing还是was repairing?求解释
答
have been repairing 从后面的结果来看,应该是没修好,因此该动作还有可能继续进行下去,用现在完成进行时