52. He works __________ a driver.

51. She works in the same building _________ my sister.

50. The children are reading an ____________(文章) about a famous doctor.

49. The girl is an _____________ (学美术的) student.

48. The plane _________ ________ (到达) New York at last.

47. They look ___________ (四周) but Mary is already gone.

46. There must be something wrong with my left ________ (臂).

45. ____________ the first is Fools' Day.

44. ______ _________(苹果) a day keeps the doctor away.

43. I have come to _____________ _________(道歉) you.