61. Jill didn’t afford _____ a car. A. buy B. to buy C. buying D. bought 62. They had a boy ______ that yesterday. A. done B. to do C. did D. do 63. We get our mail ______ yesterday. A. been delivered B. delivered C. delivering D. to deliver 64. We’ve got a new computer in our office. I haven’t learnt how ______ it yet. A. to operate B. operating C. operate D. be operated 65. We were all too afraid to speak. Nobody dared ______ anything. A. saying B. being said C. says D. to say 66. Tom hopes _______ a solution soon. A. to be found B. finds C. to find D. finding 67. You must ______ a lot of people here. A. to know B. knowing C. know D. known 68. This involves having a good memory and ______ hard. A. work B. to work C. worked D. working 69. They claimed ______ the problem. A. have solved B. solve C. solving D. to have solved 70. I’ve been invited to the party but I don’t know ______ or not. A. whether I should to go B. whether go C. whether going D. whether I should go 71. Health experts advise ______ breakfast. A. us not skipped B. us not skipping C. us not to skip D. us not skip 72. I would rather ______ this job. A. not taken B. not take C. not to take D. not taking 73. I spent some time ______ around the shops in Elizabeth street yesterday. A. looked B. be looking C. look D. looking 74. She will probably offer ____the stereo for you . A. to repair B. to be repairing C. repair D. repairing 75. She always proves _______ a true friend. A. be B. being C. to been D. to be Mn lại tiếp tục làm nhanh hộ em với ạ