Haven’t you enough common to know that it is unwise to go outside in such a hazy (雾霾的) da

问题补充：

Haven’t you enough common 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.

答案：

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“common sense”，A. common practice惯例， C. rule规定， D. goal目标，都不符合句意。选B.