30. Volunteer organizations are generally small – staffed, so they need to ……………… lots of volunteers for a huge event.
A. employ B. recruit C. research D. catch
31. This is the second time I ……………… that song.
A. am hearing B. have heard C. hear D. heard
32. Anna thinks she ought to go to the university, ……………… she wants to get qualifications for her dream job.
A. and B. yet C. for D. so
33. Peter wonders he should stay home and watch TV, ……………… he should go out and have dinner with his friends.
A. so B. or C. and D. nor
34. Many “American Idol” contestants want on to become huge stars, ……………… the popularity of “American Idol” began to decrease.
A. and B. but C. so D. or
35. It was essential for him to be financially ……………… of his parents, so he decided to find a part – time job.
A. dependent B. independent C. dependable D. undependable
36. They were among the first companies to exploit the ……………… of the Internet.
A. potential B. prospect C. possibility D. ability
37. It is definitely true that nature has inspired ……………… inventions and technologies.
A. numbers B. numeral C. numerical D. numerous
38. Smartphones are used not only for communication but also for information and ………………
A. entertain B. entertainer C. entertaining D. entertainment
39. Garvin is ……………… a new computer application to see whether it works.
A. looking after B. putting on C. trying out D. turning up
40. Scientists have invented artificially intelligent computer systems ……………… of answering questions posed in natural language.
A. able B. aware C. capable D. fond