What exactly does the sign _______?
#55260
A
stand for
B
stood for
C
stand up
D
stood up
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 I used to be afraid to speak in front of public before, but recently I _____ a lot.
#52312
A
have improved
B
improved
C
will improve
D
am improving
You must be very tired. Why not         a rest?
#59979
A
stop taking
B
stop to take
C
to stop taking
D
to stop to take
Li Lei often takes care of the old woman after school.
#58947
A
looks like
B
looks for
C
looks up
D
looks after