问题
He was warned ________ the dangers he would have to face.
A:on
B:towards
C:of
D:at
B:towards
C:of
D:at
正确答案是：
同类题型
News came from the office __________ Wang Lin had beenadmitted to Beijing University.
Speaking of all the songs he has written, I think this is probably his ________ one.
Some people ___________ bikes to work instead of going___________ car.