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
He used to be afraid of the dark so he used to go to sleep _______the light _______.
#48272
A
with , in
B
with , on
C
by , on
D
by , in
