Every evening the students go to bed at 10:30______ and the lights are turned off.
#25988
A
at once
B
on purpose
C
at present
D
as usual
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It is Ms Chen’s serious attitude________ her work and her interesting methods of teaching thatmake us like her very much.
#26339
A
with
B
on
C
towards
D
about
We have brought in a good grain harvest for three years_________.
#26888
A
on purpose
B
on end
C
on duty
D
on watch