Haven’t you enough mon to know that it is unwise to go outside in such a hazy (雾霾的) day? You may get lost.
A. practice
B. sense
C. rule
D. goal.
网友回答
A. practice
(答案→)B. sense
C. rule
D. goal.
解析：句意：你有没有足够的常识知道在这样的雾霾天气外出是不明智的，你可能会迷路。词组：常识“mon sense”，A. mon practice惯例， C. rule规定， D. goal目标，都不符合句意。选B.