It is said in the book that Tomas Edison
题型:选择题
问题:
It is said in the book that Tomas Edison (1847-1931) _______ the world leading inventor for thirty years.
A.would be
B.has been
C.was
D.had been
It is said in the book that Tomas Edison (1847-1931) _______ the world leading inventor for thirty years.
A.would be
B.has been
C.was
D.had been