22.When I saw the expression on his face, I realized he isagreement with me.

48.raw materials into useful products is called manufacturing.

47.If you can＇t see the words written on the blackboard very well, maybe you need .

46. with the book I brought yesterday, the one from the library doesn ＇ t seeminteresting.

45.No matter how hard I searched my bag, my new pen was.

44.of his name, we had a lot of trouble in finding the patient.

43.I like English and I spend every minute I canEnglish.

42.What is the reason foron time?

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.