问题
选择题
It is said in the book that Thomas Edison (1847-1931) _____ the world leading inventor for sixty years . [ ]
A. would be
B. has been
C. had been
D. was
答案
答案:D
It is said in the book that Thomas Edison (1847-1931) _____ the world leading inventor for sixty years . [ ]
A. would be
B. has been
C. had been
D. was
答案:D