Listen! Some birds are singing __________ the tree.
#51352
A
in
B
on
C
at
D
of
推荐题目
—How can we protect ourselves _____ the earthquake?—First, we should keep calm when it happens.
#46299
A
with
B
for
C
from
D
about
---When did you arrive the day before yesterday? --_________2:30p.m.________3:00p.m.
#47147
A
From; to
B
At; at
C
Between ;and
D
/;/
Don’t leave the TV_______ when you are__________。
#49433
A
on; leave
B
closed；leave
C
on；out
D
open；out