你好,很高兴能够在这里回答你的问题,这道题的正确答案应该为:
was buy
ran
the dog go out应该是不对的,要么goes ,要么went,
我觉得这里went可能更适合,所以用的过去时态
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^__^真心祝你学习进步,如果你对这个答案有什么疑问,请追问,
另外如果你觉得我的回答对你有所帮助,请千万别忘记采纳哟!
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while she is buying a newspaper, the dog goes out of his box and runs away.