61. Columbus’ decision to sail west to reach the East _____ on his belief that the earth was round.

A. existed

B. sat

C. relaxed

D. rested

62. Despite the wonderful acting and well-developed plot the _____ movie could not hold our attention.

A. three-hours

B. three-hour

C. three-hours’

D. three-hour’s

63. Difficulties can _____ a person’s best qualities.

A. bring up

B. bring out

C. bring about

D. bring to

64. Doctors sometimes _____ old cures when modern medicine doesn’t work.

A. fall on

B. fall down on

C. fall back on

D. fall in upon

65. Does brain power _____ as we get older? Scientists now have some surprising answers.

A. descend

B. decline

C. deduce

D. collapse