I became a teacher ten years ______. I have been a teacher _______ 2008.
#37534
A
ago; for
B
before; since
C
ago; since
D
ago; in
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My uncle ________ a worker, but now he _______in an office.
#36721
A
is, was
B
used to, is working
C
use to be, works
D
used to be, works
He sometimes a picture, but now he .
#37837
A
draws; is singing
B
drawing; singing
C
draws; sings
D
drawing; sings
Great changes _________ in Tongren in the past five years.
#42335
A
have happened
B
have taken place
C
have been happened
D
have been taken place
