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

Laptops are now so expensive（）beyond the reach of almost everyone.

A. that be
B. as to be
C. as be
D. as being

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