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Hi,Bill.Iyouinthiscity.Howlonghavebeenhere?A.didn’tknow;wereB.don’tkow;areC.haven’tknown;areD.don’tknow;were

题目详情
Hi, Bill. I _____ you _____ in this city. How long have been here?
A.didn’t know; were B.don’t kow; are
C.haven’t known; are D.don’t know; were
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答案和解析
A

考查时态。句意:嗨,比尔。我不知道你在这座城市。到这儿多久了?结合语境可知前文无论主从句描述的都是过去动作或状态,故用一般过去式,选A。