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ItnearlytwoweeksIhadreceivedhisletter.A.is,thatB.was,thatC.issinceD.was,since

题目详情
It ________ nearly two weeks ______ I had received his letter.
A.is, that
B.was, that
C.is since
D.was, since
▼优质解答
答案和解析
D