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It’s very convenient ______ us to buy train tickets now because we can buy them either from the station or on the Internet.
#48015
A
to
B
of
C
by
D
for
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 Kids won’t go to school.They will study ___ home ____ computers.
#48227
A
in, in
B
at, on
C
at , by
D
at; from
This is a picture         her room.
#48622
A
at
B
of
C
on
D
in
Jiefangbei looks more beautiful in the evening ______ all the lights ______.
#50426
A
with, open
B
when, are opened
C
with, on
D
when, turning open
Tom often helps me ______my math after school.
#46154
A
for
B
with
C
to
D
by
Does he have an English class    Friday morning?
#49041
A
on
B
in
C
at
D
for