he and his uncle() away from the city for two days

he and his uncle() away from the city for two days
he and his uncle() away from the city for two days

he and his uncle() away from the city for two days
have been 状态
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have been
后面for two years,所以用完成时
主语为复数，所以用have
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have been。因为后面for two years是现在完成时的标志啊，就要用have/has+现在分词。