单项选择题

Robert says he bought these books in a ______.

A．disposal
B．sale
C．production
D．reduction
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单项选择题
The mother was afraid to let the boy ______ the tree.
A．to risk climbing
B．risk climbing
C．to risk to climb
D．risk to climb
单项选择题
They were pushed into battle ______
A．unprepared
B．unpreparedly
C．not prepared it
D．without preparing it
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