2012年12月大学英语六级语法专项练习(3) 51.Professor smith and Professor Brown will ________ in giving the class lectures.A) alter B) change C) alternate D) differ（C）52.Understanding
2012年12月大学英语六级语法专项练习(4) 56.We have done things we ought not to have done and ________ undone things we ought to have done.A) leaving B) will leave C) left D) leave（C
2012年12月大学英语六级语法专项练习(5) 61.America will never again have as a nation the spirit of adventure as it ________ before the West was settled.A) could B) was C) would D) did
2012年12月大学英语六级语法专项练习(6) 66.No longer are contributions to computer technology confined to any one country; ________ is this more true than in Europe.A) hardly B) little C
2012年12月大学英语六级语法专项练习(7) 41.The oil shortage ________ the prices of chemical fertilizers on the world market.A) drove oil B) drove up C) drove in D) drove off（D）42.The
2012年12月大学英语六级语法专项练习(8)46.Soldiers act in ________ to the orders of their officers.A) obligation B) objection C) obedience D) offence（A）47.________ after the Second Wor
2012年12月大学英语六级语法专项练习(9)51.Those who lie and cheat will never ________ it.A) get on with B) get back to C) get away with D) get off with（C）来自52.A foreign language li
2012年12月大学英语六级语法专项练习(10)56.Since they betrayed us, they have no hope of convincing ________ their sincerity.A) with B) for C) in D) of（B）57.They assured us that _______
2012年12月大学英语六级语法专项练习(11) 61.Visitors to England sometimes find the lack of public activities in the evenings ________.A) depressed B) depression C) depressing D) depressi
2012年12月大学英语六级语法专项练习(12) 66.The chairman threatened ________ if his policies were not adopted.A) to resign B) resigning C) to be resigned D) being resigned（B）(www．E