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    ------Has Jack finished his homework yet? ------I’ve no idea, But he it the whole afternoon. A.would do B.was doing C.did D.had done 提示:题干中捕捉解题信息.尤其句子中黑体字. 【查看更多】

     

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    ----Has Jack finished his homework yet?

    ------I’ve no idea, But he ______ it the whole afternoon.

    A. would do 　　　　 B. was doing 　　　　C. did 　　　　　　 D. had done

     

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