do a good job干得好,但是do good jobs有这个用法吗?

是对的昂~do a good job 确实可以用复数形式。比如：Understanding these attributes help us do good jobs for developing nationalculture and promote its development of Guizhou minority National sports。 认识这些特点有利于弘扬民族文化,促进贵州少数民族体育的进一步发展。