41. You must avoid ………. too much. It’s bad for you.      a. to eat                   b. eating                 c. to eating             d. eat 42. I clearly remember ……….. the windows before I left.      a. closing                b. to close              c. close                  d. of close 43. He continued …………... all through the summer.      a. work                   b. in working         c. working              d. at working 44. He tried to discourage burglars …………... alarms all over the house.      a. put                      b. to putting           c. by putting                       d. in putting 45. Would you like to run with me? I hate …………... alone.      a. to run                  b. running              c. in running          d. at running 46. She was very good ………………... letters.      a. at writing             b. in writing           c. write                   d. to write 47. People should avoid …………... too much at parties.      a. to drink               b. drink                  c. drinking             d. at drinking 48. He went on …………... about the accident.      a. talking                 b. to talk                c. at talking                        d. in talking 49. I can’t resist ………….. a chocolate whenever I see one.      a. to            eat                    b. to eating             c. at eating             d. eating 50. I am not used ………... in a hot climate.      a. to            live                  b. of living             c. to living              d. at living 51. I remember ………... from the window when I was a boy.      a. falling                 b. to fall                 c. at falling             d. in falling 52. The old man kept ………….. all afternoon.      a. to complain         b. complaining                   c. complain                        d. in complain 53. Do you remember ………….. that book in this shop years ago?      a. to buy                 b. buying               c. of to buy                        d. of buying 54. I remember …………. the door but I’m not sure if I closed the window.      a. locking                b. to lock               c. of locking                      d. to locking 55. I enjoy ………….. books.      a. reading                b. to read               c. read                    d. the read 56. I’m not used to ……….... so much.      a. work                   b. worked              c. working              d. works 57. She doesn’t mind …………... early.      a. comes                 b. to come              c. came                  d. coming 58. I’m looking forward to …….... him.      a. meeting               b. met                    c. meet                   d. meets 59. I prefer ………... to skiing.      a. swimming                       b. swim                  c. to swim              d. swam 60. I’ve no intention of ………….. it.      a. do                                   b. doing                 c. to doing              d. to do