单项选择题

People didn't have to .move from one place to another after ______.

A．machines came along
B．factories were built
C．they learned to hunt animals
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单项选择题
Which of the following is true
A．The shoemaker was angry with Mrs. Green.
B．The shoemaker said sorry to Mrs. Green.
C．The shoemaker was very glad when he received Mrs. Green's call.
单项选择题
The shoemaker finished repairing her shoes ______.
A．in a few months
B．in a few days
C．six months later
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