（1）语境式（主要靠语境判断）
例1．— Hey, look where you are going!
— Oh, I’m terribly sorry. .
A. I’m not noticing B. I wasn’t noticing
C. I haven’t noticed D. I don’t notice
例2．The taxi driver often reminds passengers to their belongings when they leave the car.
A. keep B. catch C. hold D. take
