Other genetic similarities suggested they all ________ a single, common ancestor

题干

Other genetic similarities suggested they all ________ a single, common ancestor about 300 years ago.

A．had

B．have had

C．have

D．had had

上一题下一题 0.64难度单项选择更新时间:2014-06-07 09:07:54

小学学科试题库

初中学科试题库

高中学科试题库