( )tomorrow ,I Will ask him where he has beenA.when he comes B.while he comes C.when he will come D.while he will come

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( )tomorrow ,I Will ask him where he has beenA.when he comes B.while he comes C.when he will come D.while he will come
( )tomorrow ,I Will ask him where he has been
A.when he comes B.while he comes C.when he will come D.while he will come

( )tomorrow ,I Will ask him where he has beenA.when he comes B.while he comes C.when he will come D.while he will come
A
主从句都是将来时,从句改为一般现在时,所以CD不对
while 跟持续性动词,回来是短暂动作,所以用when

选A,这个考的是when指导时间状语从句, 主句是一般将来时,从句用一般现在时。希望采纳!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!