作业帮you look tired.-yes,I non-stop until 8 oclock.A have worked B was working好急!为什么!
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/07 10:03:54
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you look tired.-yes,I non-stop until 8 oclock.A have worked B was working好急!为什么!
you look tired.-yes,I non-stop until 8 oclock.
A have worked B was working
好急!为什么!
you look tired.-yes,I non-stop until 8 oclock.A have worked B was working好急!为什么!
因为这里表示过去发生的事情,所以使用过去式
从后面的until这个词可以判断出是8点之前做的事情
所以这个句子要使用过去式