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

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单项选择题
They have to adjust in （） way that they don' t make a loss.

A. a such
B. such
C. such a
D. so
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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