My hometown ______ a lot  in the past ten years.
#39886
A
change
B
changed
C
has changed
D
is changing
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The teachers ________ on the blackboard with chalk in the future.
#39033
A
isn't writing
B
didn't write
C
don't write
D
won't write
-----Did you notice him come in?-----No. I _____ a football game.
#41746
A
have watched
B
had watched
C
am watching
D
was watching