I know him a good football player while in collegeA.to have beenB.to beC.wasD.ha
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I know him ______ a good football player while in college
A.to have been
B.to be
C.was
D.had been
试题答案
A
解析:考查时态。句意“我知道她在大学时是一个出色的足球运动员。”know和be有先后关系,故用完成时。故选A。