四、词汇运用。根据汉语意思、首字母或所给单词的适当形式填空。（每小题1分，共10分）

46. My father is a doctor, he works in a h　 　  　.

47. Eating too much sugar is b　　  　for you.

48. Tom always w________ sports on TV.

49. In China, Spring Festival usually comes in J　　     　 or February.

50. Mr. James wants to buy some new　　      　(字典)for his students.

51. Tony always　  　 　(花费)too much money buying CDs?

52. Mike and Bill _________（not speak）Chinese．They speak English．

53. Thank you for　　   　(send)emails to me.

54. How many　　   　(child)are there in your family?

55. Sam and his sister　　     　(learn)Chinese in China now.