56. What is Tom doing ?

A. He is reading.      B. He is drawing.     C. He is making a boat.   D. He is sitting.

54. A. kinds       B. a kind         C. all kinds     D. kind

53. A. surprised     B. interested     C. surprising      D. interesting

52. A. took        B. spent         C. waited       D. paid

51. A. and        B. but           C. so           D. because

50. A. goes        B. going         C. go          D. went

49. A. families     B. house         C. home        D. family

48. A. have        B. take          C. has         D. takes

47. A. have       B. had          C. take          D. takes