Since then the number of people taking driving lessons ____20.
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A
has increased to
B
increases by
C
has increased by
D
have increased by
推荐题目
People in Tibet are ________ than they used to be.       
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A
better off
B
worse off
C
well off
D
badly off
The time for the exam is ____ .
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A
approaching
B
approaches
C
approach
D
approached