◎ 题干
He collected information on 1,000 people, whose IQ       when they were ten years old.
[     ]
A.is tested
B.has tested
C.would test
D.had been tested
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“He collected information on 1,000 people, whose IQ when they were ten years old.[ ]A.is testedB.has testedC.would testD.had been tested…”主要考查了你对  【过去完成时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。