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Great attention must ________ education, especially in the countryside.

A．be paid to develop 

B．pay to develop

C．be paid to developing 

D．pay to developing

Great attention must ____education , especially in ．the countryside．

　 A．be paid to developing　 　　 B．pay to develop ?

　 C．be paid to develop　　 D．pay to developing

Great attention must ____education , especially in the countryside．

　 A．be paid to developing　 　　 B．pay to develop ?

　 C．be paid to develop　　 　　 D．pay to developing