The passage mainly discusses______.
A. the questions in the minds of shy people
B. the urgent need to overcome shyness
C. the cause of much unhappiness for many people
D. the effects of shyness and the way to overcome it
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【C12】
A. maintained
B. sustained
C. preserved
D. held
【C13】
A. optional
B. potential
C. promising
D. alternative
【C6】
A. when
B. who
C. where
D. which
______the heat to a simmer and continue to cook for another 8-10 minutes or until most of
A. Turn off
B. Turn over
C. Turn down
D. Turn up