12.I canDiana＇s thoughts from the changes in her facial expressions.

48.In general, little water, you don＇t find a green field.

47.Tryshe might, Mary couldn＇t get the door open.

46., the world we live in has changed a great deal in the last hundred years.

45.We will not succeed in studying Englishwe study hard.

44.They turned away from the windowanyone should see them.

43.It will be a long timethe situation improves.

42.I have heard a lot about him I came back from abroad.

41.He was speaking so fast at the conference we could hardly follow him.

40.It did not stop rainingthe football match was over.

39.Hardly had Jerry got to the officehis wife called him for an emergency at home.