53. A. clinics B. examinations C. insurances D. appointments
52. A. send B. kiss C. tell D. see
51. A. catch B. take C. carry D. put
50. A. make B. record C. watch D. repair
49. A. stand B. sit C. jump D. cross
48. A. as if B. just as C. in case D. even if
47. A. fountain B. fall C. well D. pipe
46. A. pulling out B. spitting out C. pouring out D. knocking out
45. A. strange B. familiar C. neat D. natural
44. A. wash B. clear C. keep D. brush