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  • 科目:英语
  • 题型:单选题
  • 难度:容易
  • 人气:1945

-How long ______ each other before they ______ married?
--For about a year.

A.have they known; get B.have they known; were going to get
C.do they know; are going to get D.had they known; got
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Howlongeachotherbeforetheymarr