单项选择题

I am sure to tell you that there's no danger().

A. ensure
B. assure
C. insure
D. secure

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单项选择题
Our statistics show that we consume all that we are capable of producing.()

A. waste
B. buy
C. use
D. sell
单项选择题
Argument among the speakers at the conference is bordering on violence.()

A. is close to
B. is beside
C. is next to
D. is alongside
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