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mother was cooking while i____the door.
MymotherwascookingwhileI_________theradio.A.listenedtoB.havelistenedtoC.waslisteningt...
My mother was cooking while I_________ the radio. A.listened to B.have listened to C.was listening to D.am listening to
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C 在英文中while引导时间状语从句,通常用进行时态,本题的主句为过去进行时,故while从句也应该用过去进行时,结构为was或were+doing,故本题选C。
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