10．--Have you mended your shoes.Bob?--Yes.I them twenty minutes ago．A．have mended B．mend C．had mended D．mended 【查看更多】

 

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一Have you mended your shoes，Bob? 一Yes , I ______ them twenty minutes ago.

A．have mended

B．mend

C．had mended

D．mended

 

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