61. It pays _____ to buy goods of high quality.
A. in the long run
B. in the short run
C. at a run
D. on the run
62. It seems oil _____ from this pipe for some time. We'll have to take the machine apart to put it right.
A. had leaked
B. is leaking
C. leaked
D. has been leaking
63. It was felt that he lacked the _____ to pursue a difficult task to the very end.
A. petition
B. engagement
C. commitment
D. qualification
64. It will be safer to walk the streets because people will not need to carry large amounts of cash; virtually all financial ______ will be conducted by computer.
A. transactions
B. transmissions
C. transitions
D. transformations
65. Jim is so _____ after injuring his leg that he has great difficulty in walking.
A. hurt
B. lame
C. wounded
D. uncomfortable
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