Thosepeople_____ageneralunderstandingofthepresentsituation.
A、lackofC
lack (vt.) “缺乏，缺少 ”，直接跟宾语。作名词用时用 lack of.
Itseemsasifthesun_____roundtheearthsinceitrisesintheeastandsetsinthewest.
Itwasnotuntilshehadfinishedallherwork_____.
Copernicus maintained that the earth_____round the sun.
_____hespeakssoftlyisnoproofthatheiskind.
I ‘ve been telling you_____not to do that ，but you neve listened to me.That ’s why you gotinto trouble.
