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
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He asked where she ____, but she didn’t respond.
#103573
A
had been
B
was
C
has been
D
is
There was a lot of fun at yesterday’s party. You _______, but why didn’t you? 
#101093
A
should come
B
may come
C
ought to have come
D
may have come
By the end of last year, another new gymnasium        in Beijing.
#101885
A
would be completed
B
was being completed
C
has been completed
D
had been completed