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
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单项选择题
John realized fully it could not ______ have happened in real life.
A．likely
B．certainly
C．probably
D．possibly
单项选择题
______ to sleep again than the telephone rang.
A．Hardly when he went
B．No sooner he had gone
C．Hardly he went
D．No sooner had he gone
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