单项选择题

China does a lot of trade with many countries.

A. a great deal of
B. a great many of
C. a large number of
D. a great level of
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And the cars are tested for defects before leaving the factory.
A. functions
B. faults
C. motions
D. parts
单项选择题
The boys broke into excited cheering.
A. burst
B. blasted
C. burned
D. blazed
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