The bear looked ________the room, but there was no one in it.
#45939
A
at
B
into
C
for
D
about
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You can call me ____ 0510-82234567 or e-mail me _____lily@changshu.com.cn.
#49514
A
on, at
B
at, on
C
by, on
D
on, on
—What is a writing brush, do you know?—It’s used ______ writing and drawing.
#50457
A
with
B
to
C
for
D
by
The light is still ,Mr. Green _________at home now.
#50272
A
on, can be
B
down, may be
C
on, must be
D
up, can’t be