Sentence:  Speaking of the present status of civil defense in the city , Mr. Hawksley said he would be willing to bet that not more than one person in a hundred would <WSD>know</WSD> what to do or where to go in the event of an enemy attack . 
Meaning of the word marked with <WSD> tags:  be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about