If you sit in a chair _____a long time, your back may begin to hurt.
#50771
A
at
B
in
C
on
D
for
推荐题目
—Do you think pink looks nice ____ me? —Of course. You look so nice ___ pink.
#47951
A
on, in
B
in, in
C
on, on
D
in, on
In the past I often wrote _____ my parents about my study at school, but now I e-mail them ____ rita@sunshinetown.com.cn or call them ______ 5551 6789 .
#46947
A
for; at; on
B
to; at; on
C
to; at; for
D
for; on; to
