11. Sometimes a bus ____gets on the bus to check the tickets.
A. agent B. officer C. conductor D. inspector
12. He made a quick ____from his illness.
A. relief B. recovery C. survival D. relaxation
13 .____the stress of examinations are over, we can all relax.
A. While B. Even though C. Now that D. For
14. My cousin Nancy is often in a poisonous mood; I suppose it’s because she is ____child.
A. one B. a lone C. a single D. an only
15 .____the factors already referred to, people sometimes feel insecure because their motives are misunderstood by others.
A. But for B. Except for C. Apart from D. Except that
16. If the scheme is ____carried out without waste of time or energy I shall be completely satisfied.
A.relatively B. noticeably ? C. appropriately D. efficiently
17. One day we all may find it useful to have a(n) ____for sending documents, writing any pictures across the telephone lines.
A. receiver B. echo C. extension D. facility
18. To their credit the Department of Energy ____these ideas and funded a detailed study.
A. took over B. took on C. took up D. took to
19. Feeling that she was in the right, she took ____at the dirty remark.
A. protection B. offense C. defense D. guard
20. They agreed to share in common any ____of funds after all expenses were paid in full.
A. sufficiency B. surpass C. excess D. surplus