18.-Mark broke his leg when he was playing football. -How long ago that? A.has been B.had been C.is D.was 查看更多

 

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—Mark broke his leg when he was playing football .

     —          was that ?

       A.Since when     B.Since when ago      C.How long        D.How long ago

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—Mark broke his leg when he was playing football .

   —     was that ?

  A.Since when B.Since when ago        C.How long D.How long ago

 

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