61. Columbus'decision to sail west to reach the East _____ on his belief that the earth wasround.
62. Despite the wonderful acting andwell-developed plot the _____ movie could not hold our attention.
63. Difficulties can _____ a person's bestqualities.
A. bring up
B. bring out
C. bring about
D. bring to
64. Doctors sometimes _____ old cures whenmodern 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.
66. Doing your homework is a sure way toimprove your test scores, and this is especially true _____ it comes toclassroom tests.
67. Don't worry. The company will _____ allyour expense.
68. Eventually, people spread throughoutthe continent, ______ the entire species.
A. wiping out
B. wiping away
C. wiping off
D. wiping up
69. Experts say walking is one of the bestways for a person to ______ healthy.
70. Faced with the ______ difficulties,they are determined to carry on their program.