19. Steve Jobs, the former of CEO of Apple Inc, __________ against cancer for eight years before he died.
A. struggled
B. structured
C. criticized
D. stuck
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20. In sport what really __________ is not the winning but playing.
A. pays
B. appears
C. covers
D. counts
21. It is not easy feat for her company to __________ from a hobby into a thriving business.
A. decrease
B. evolve
C. revert
D. charge
22. In such cases, we need better laws to __________ the content of the Internet.
A. order
B. alter
C. regulate
D. operate
23. It takes just a few seconds for this machine to __________ your unique fingerprint.
A. extend
B. stretch
C. identify
D. claim