31. There's ________________（再等没有意义） any longer. （point）

32. _______________________（伟大的思想家） have used creativity and imagination to change the world. （thinker）

33. Madame Curie’s _________________（发现） radium is considered a great contribution to the world of science.  （ discovery）

34. Mr. Smith loved his daughter very much. He often suggested her ________________ （送到）the United States.  （ send）

35. The committee ________________（组成） representatives from every state. （make）

36. After the war, the country experienced social and economic unrest and _________________（遭受了） the Great Depression of the 1930s. （suffer）

37. _______________________（没有清晰的证据） to show just how well ads work, but they are important to both companies and consumers. （evidence）

38. Every eye ________________（注视） the new girl when she entered the classroom. （fix）

39. I do believe it is possible for different ethnic groups to ___________（和谐生活）. （harmony）

40. _________________（你能控制你身体的动作） your body movement in the air is a decisive factor if you want to be a really good skateboarder.（can）