题目内容
_____ one of the most important inventions of the time, the computer
helps people living in different countries to do a lot of things
A. Knowing to be B. It was known C. Known as D. Which was
known to be
C
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题目内容
_____ one of the most important inventions of the time, the computer
helps people living in different countries to do a lot of things
A. Knowing to be B. It was known C. Known as D. Which was
known to be
C