41.Professor Smith seldom _______ the class on time.
A.dismisses B.nervous C.misleads D.regrets
42.Mr. Wang _______ his wife and children when he went to the United States.
A.prescribed B.delayed C.decreased D.deserted
43.He _______ a lot of time in trying to develop the education system in this area.
A. involved B.investigated C.invested D.interfered
44.They spent many years _______ for oil in this small island.
A.exploring B.exploding C.exposing D.exploiting
45.We can’t _______ the fact that we are still a developing country.
A. ignore B.neglect C.imagine D.impress
41.A 42.D 43.C 44.A 45.A
