6. A study of that letter leaves us in no doubt as to the motives behind it.

40.The Chinese seemed justifably proud of their economic achievements.

57.hydrogen burns in air of oxygen forming water.

15.汉语是( )的语言。

13.The subversion attempts proved predictably futile.

12.Memory, as time goes on, is a selective thing.

38.They not surprisingly, did not respond at all.

31. American English owes a great deal to Noah Webster, an American lexicographerand writer.

11. Wisdom prepares for the worst, but folly leaves the worst for the day It comes.

14.The guerrillas would fight to death before they surrendered.