76. Thousands of people will __________ if food doesn't reach the earthquake-stricken area in time.
A. regret
B. starve
C. alive
D. cheer
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77. As we know, vitamin C is the chief active __________ in lemons.
A. section
B. matter
C. ingredient
D. composition
78. He's very __________ and has refused six job opportunities without finding one he likes.
A. ruthless
B. picky
C. impatient
D. embarrassed
79. There is an old Chinese __________ that states, "One generation plants the trees, another gets the shade."
A. poem
B. story
C. proverb
D. myth
80. The dolphins jumped up suddenly and then disappeared __________ the waves.
A. beneath
B. from
C. with
D. off