单项选择题

All gases and most liquid and solids expand _______ heated.

A．in
B．how
C．when
D．about
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单项选择题
A．meetB．fulfillC．exceedD．beyond
A．meet
B．fulfill
C．exceed
D．beyond
单项选择题
Do you think there's any _______ of his passing the exam
A．chance
B．opportunity
C．occasion
D．expectancy
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