The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
#86339
A
is
B
was
C
has been
D
had been.
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Nowadays, a large number of women, especially those from the countryside, ____ in the clothes industry.
#85624
A
is working
B
works
C
work
D
worked
He is the only one of the students who __________a winner of scholarship for three years.
#85551
A
is
B
are
C
have been
D
has been
There _________ a computer in everyone's house in the future.
#43946
A
will have
B
will has
C
will be
D
is