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He comes here on Mondays, Wednesdays and Fridays — ________, to be exact.
A.every second daysB.every other days
C.every other dayD.every two day
C

试题分析:考查词组:“每隔几天”可以用every+基数词+名词复数,或ever+序数词+名词单数,所以AD都是错的,“每隔一…”,是every+other+单数名词,句意:他星期一,星期三和星期五来,确切的说是每隔一天。选C。
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