周教授一生致力于语言教学事业。（becommittedto）

Heurgedthemto_________minordifferencesforthesakeofpeace. A: refrainfrom B: befiledwith C: bebetteroff D: setaside E: beprompt(at) F: beconfrontedwith G: belockedup H: becommittedto I: makeconcessions J: attheprospectof K: :D L: r>10.Imadeaterrificeffortto_________tears.