I would be sitting in a comfortable office now if I　　 more energies to my study instead of being crazy about going online at college.

A、devoted　　 B、would have devoted　　 C、were to devote　　 D、had devoted

I would be sitting in a comfortable office now if I 　　　　　　more energies to my study instead of being crazy about going online at college.

A. devoted　　 B. would have devoted C. were to devote　　 D. had devoted

I would be sitting in a comfortable office now if I 　　 more energies to my study instead of being crazy about going online at college.

A. devoted　　　 　　 B. would have devoted　 C. were to devote D. had devoted

________ more energies to my study, I would be sitting in a comfortable office now．

A．If I devoted                             B．Had I devoted  

C．Would I devote                             D．Should I devote

 _____ more energies to my study, I would be sitting in a comfortable office now.

A. If I devoted     B. Had I devoted    C. Would I devote    D. Should I devote