It is true that we cannot always choose all of our companions.
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The celebrated mathematician, Edmund Stone, would never have published a mathematical dictionary
A. 对
B. 错
Labor vanquishes all---not inconstant, spasmodic
A. 对
B. 错
Just as truly as eternal vigilance is the price of liberty, so is eternal industry the price of noble and enduring success.
A. 对
B. 错
When you first meet someone, what you should say?
A. Hello, this is...
B. Sorry, it is my fault.
C. Time to go.