单项选择题


A．river
B．tree
C．mountain
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单项选择题
The Egyptians had ______.
A．twenty-four hours in a day
B．thirty hours in a day
C．twelve hours in a day
单项选择题
When somebody wants half a dozen pens, they want ______.
A．six pens
B．five pens
C．ten pens
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