29.Ten days ago the young man informed his bosshis intention to resign.

41.to sunlight for too much time will do harm to one＇s skin.

40.I really appreciateto help me, but I am sure that I will be able to manage it by myself.

39.We＇d like to dowe can the poor.

38.The first textbookfor teaching English as a foreign language came out in the 16th century.

37.David gave his girlfriend a ringby his grandmother for all her life.

36.Jim was caughtdrugs into the country.

35.When I was a child, I usedto the river and bathe in the evening.

34.He studies so hard to avoidat the bottom of the class.

33.He had his book at his own expense.

32.Many teenagers feel no difficultycomputers.