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
 The boy is very fat _______too much food.
#48695
A
so
B
so of
C
because
D
because of
 Tom has much difficulty _____Chinese so he often asks me ______help.
#51113
A
understanding; for
B
understanding; of
C
to understand; for
D
to understand; for