单项选择题

She could fix machine without referring to the instructions.

A．observing
B．learning
C．consulting
D．understanding
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单项选择题
The company recommendedthat a new petrol station be built here.
A．demanded
B．suggested
C．insisted
D．ordered
单项选择题
We are restrictedto a speed of 30 miles an hour in built-up areas.
A．deprived
B．forbidden
C．required
D．limited
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