Ladies and gentleman, please fasten your seat belts! The plane ________.
#103002
A
takes off
B
is taking off
C
has taken off
D
took off
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---- Are you still a teacher? ---- No, I____ in Harbin No. 3 High School for five years.
#102428
A
worked
B
have worked
C
have been working
D
had worked
You _____ television. Why not do something more active?
#101343
A
always watch
B
are always watching
C
have always watching
D
have always been watching
I ______ the time ______ so quickly.
#100103
A
didn’t realize; had passed
B
don’t realize; passed
C
haven’t realized; passed
D
hadn’t realized; had passed