People＿＿dogs for millions of years.A.kept B.kPeople＿＿dogs for millions of years.A.kept B.keep C.has kept D.have kept
问题描述：
People＿＿dogs for millions of years.A.kept B.k
People＿＿dogs for millions of years.A.kept B.keep C.has kept D.have kept
答
D 现在完成时，因为后面接了时间段
答
D
答
D,people单复数同行,应该说很多人养狗,for后加一段时间用现在完成时态.