48. An Easter egg hunt is a game for ________ eggs.

47. I will ask the class to make ________ and guess what will happen.

46. The force is strong enough ________ the water.

45. Air is ________ than we think.

44. I have nothing ________ to my letter.

43. They will show us a ________ experiment in class.

42. Do you know who ________ America?

41. We ________ a science experiment in class tomorrow.

　　　 Danny, Jenny and Brian want to show us their e　　　 31. They stand in f　　　　 32 of the class. Danny is wearing his s　　　　 33. Everyone l　　　　 34 when they see Danny. Danny sits down. Brian puts water i　　　　 35 the jar. He puts the cardboard on t　　　　 36 of the jar. He puts his hand on the cardboard and t　　　　 37 the jar upside down. Then he holds the jar above Danny’s head. Then Brian will take his hand o　　　　 38 the cardboard. What will happen? Can you guess? What’s your conclusion? Will Danny get w　　　　 39? Please show your t　　　　 40 to us.

30.(　　　 ) When he got ____,he took elephants,camels, lions and monkeys to his wedding.

　　　　　　　 A. marry　　 B. married　　 C. marrying　　 D. marries