158. It is said in the book that Thomas Edison the world leading inventor for about sixty

发布时间：2020-08-16 07:09:46


158. It is said in the book that Thomas Edison      the world leading inventor for about sixty years.
A. would be
B. has been
C. was
D. had been

网友回答

A. would be
B. has been
C. was
D. had been
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