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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---There______ a concert this evening.---Yes.Exciting news.
#43613
A
are going to be
B
is going to be
C
is going to have
D
will have
E-mail, as well as telephones, ______ an important part in daily communication.
#85713
A
is playing
B
have played
C
are playing
D
play