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    8．-What were you doing when the accident happened? -I had just had a lunch break and to mark my students’ papers. A．had started B．started C．have started D．was starting 【查看更多】

     

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    —What were you doing when the accident happened?（ ）

    —I had just had a lunch break and ________ to mark my students’ papers.

    A. had started　　 B. started　 C. have started　 D. was starting

     

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