There __________great changes in our hometown in the past fifteen years.
#37191
A
has been
B
have been
C
was
D
were
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. There ______ a meeting tomorrow afternoon.
#42448
A
will be going to
B
will going to be
C
is going to be
D
will go to be
---Listen! Who ______ in the next room? ---I think Sam is.
#41778
A
sing
B
sings
C
singing
D
is singing