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---What time does the library open?--- ______ eight o’clock.
#47993
A
In
B
On
C
At
D
To
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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
You can walk     the bridge      the river.
#49970
A
cross; on
B
cross; over
C
across; above
D
across; over
When you go _________ the street, you must be careful.
#47521
A
crossing
B
cross
C
across
D
pass
Alice looked _____ the window, and saw a rabbit running _____the filed.
#45893
A
through, after
B
through, across
C
across, through
D
thought, across
Do you often spend half an hour       your homework every day?
#49147
A
for
B
in
C
at
D
On