They looked _____ each other and kept their secret _____ themselves.
#50266
A
for; to
B
at; for
C
at; to
D
out; at
推荐题目
This CD-ROM can help you learn and have fun ______.
#50861
A
at times
B
on time
C
at the same time
D
in time
I am the ______ child ______ my family.
#49448
A
two; of
B
second; of
C
two; in
D
second;at