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ThisJanuarywillbeverypreciousforusbywhichtimewereviewingSeniorBookI.A.willfinishB.willhavefinishedC.havefinishedD.willbefinished

题目详情
This January will be very precious for us by which time we______ reviewing Senior Book I.
A.will finish B.will have finished
C.have finished D.will be finished
▼优质解答
答案和解析
B

考查动词时态“将来完成时”,表示“到将来某个时间已经发生或完成的动作”。