It is said in the book that Tomas Edison (1847-1931) _______ the world leading inventor for thirty years.
#103208
A
would be
B
has been
C
was
D
had been
推荐题目
 If it ______ too much trouble, I’d love a cup of coffee.
#100187
A
isn’t
B
wasn’t
C
weren’t
D
hadn’t been
Mark Twain _____ along the Mississippi River, which was _____ to his writing.
#99593
A
was grown up / benefit
B
brought up / benefit
C
grew up / of beneficial
D
was brought up / beneficial
By this time of next Friday, I _____ to New York by the Korean Airline.
#103532
A
will fly
B
will be flying
C
am flying
D
will have flied
— Have we got any gas in the car?— It ______. I’m afaid we can’t go much farther 
#104483
A
has ran out
B
is running out
C
has been used up
D
has used up