— When does your mother go shopping? —Usually         Sunday mornings. 
#50934
A
in 
B
on 
C
with
D
at
推荐题目
–Where is the library? -- It’s_____ a classroom.
#49127
A
in the front of
B
in front of
C
in
D
between
I learned a lot ______my father .
#47704
A
on
B
from
C
to
D
of
I usually get up _____ 7:00 ________ the morning.
#50631
A
in; at
B
at; in
C
in; in
D
at; on
This is a  photo ________ my family.
#46459
A
in
B
of
C
at
D
for