问题补充：
I am sure David will be able to find the library - he has a pretty good of direction.
A. idea
B. feeling
C. experience
D. sense
答案：
A. idea
B. feeling
C. experience
(答案→)D. sense
解析：D sense 的用法。根据上文由be able to find the library可知，David“有非常好的方向感”。sense有an understanding about sth；an ability to judge sth之义.可以说sense of direction.humor，译为“方向感.幽默感”
