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    27．The law requires governments to increase investment in public transport, services and encourage people to use public transport． A．improve B．to improve C．improving D．have improved 【查看更多】

     

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    . The law requires governments to increase investment in public transport, ___services and encourage people to use public transport.

    A. improved       B. to improve        C.  improving       D. have improved

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    The law requires governments to increase investment in public transport, ___services and encourage people to use public transport.

    A. improved　 　 B. to improve 　　　C. improving 　　 D. have improved

     

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