单项选择题

At the beginning he refused to take any responsibility but he had to end up by______.

A．to apologize
B．apologizing
C．apologized
D．apologize
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单项选择题
With the development of artificial intelligence, robots will do some mental Work in office______ some manual work on the production line.
A．in addition
B．except
C．as well as
D．as well
单项选择题
You might as well ______your money as spend it in gambling.
A．to throw
B．throwing
C．throw
D．to be thrown
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