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        1. 精英家教網 > 初中英語 > 題目詳情
          ---- What was wrong with you yesterday evening?
          ---- I ____ my homework when the light went off suddenly.
          A.doingB.was doingC.didD.have done
          B
          考查情景交際!白蛲砟阍趺戳?”“我正在做作業(yè)時,突然斷電了。”過去某時刻正在發(fā)生的事情用過去進行時。故選B。
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