单项选择题


A．medicines
B．chemicals.
C．products
D．elements
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单项选择题
A．driven offB．dying fromC．taken fromD．brought up
A．driven off
B．dying from
C．taken from
D．brought up
单项选择题
The driver sitting in ______ front of the bus is my uncle.
A．the
B．×
C．an
D．a
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