60. Facebook is used ____ among the young.
A. communicate B. communicating C. to communicate D. to communicating
61. Mary often watches YouTube videos to study how ____ a dish or make a cake.
A. cook B. cooking C. to cook D. to cooking
62. We can use USB ____ information.
A. for being store B. for store C. to store D. to storing
63. He ____ for the Google since 2014.
A. has worked B. is working C. was working D. worked
64. Her children ____ their homework yet. They arc still working on it.
A. hasn’t finished B. hasn’t finishing C. haven’t finished D. haven’t finishing
65. I have never ____ to Paris
A. been B. go C. was D. went
66. We ____ a contract two years ago and it is still valid.
A. have sign B. have signed C. haven't signed D. signed
67. I have lost my mobile phone. Someone ____ it.
A. has steal B. has stole C. has stolen D. have stole
68. Brian ____ to the travel agents and he hasn’t come back.
A. has been B. has been going C. had gone D. has gone
69. I am not hungry. I have ____ eaten.
A. just B. ever C. now D. yet
