The work is so difficult that we can’t finish it in time ____.
#51167
A
of our own
B
to our own
C
on our own
D
with our own
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We’d better not keep the lights______ when we have PE classes outside.
#48235
A
off
B
on
C
open
D
closed
---________do you spend _English learning every day? ---For about an hour.
#50368
A
How long, in
B
How many times, on
C
How often, on
D
How long, on
The robber was caught by two men ______ police uniform _________.
#51266
A
in; at the once
B
in; at once
C
on,; at the once
D
on; at once