We offered him our congratulations_____his passing the college entrance exams. 
#28770
A
at
B
on
C
for
D
of
推荐题目
Deaf people talk ________.
#27587
A
with signs
B
with sign language
C
by signs
D
by speaking sign language
You shouldn’t say “It seems…”. You ought to go and look it up _____.
#28682
A
for a start
B
for free
C
for sure
D
for a minute