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    -Can you go swimming with us this afternoon? -Sorry, I can’t. I look after my little sister at home. A. be B. was C. can D. have to 【查看更多】

     

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    —Can you go swimming with us this afternoon?

    —Sorry, I can’t. I ________look after my little sister at home.

    　 A. be　 B. was　 C. can　 D. have to

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