单项选择题

The passage is mainly about ______.

A．restaurant development
B．smoking history in restaurants
C．people's reactions to anti-smoking laws
D．non-smoking laws
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单项选择题
The happiness for the teacher is seeing children ______ so quickly.
A．developed
B．to be developed
C．develop
D．to develop
单项选择题
John realized fully it could not ______ have happened in real life.
A．likely
B．certainly
C．probably
D．possibly
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