Those people_____a general understanding of the present situation.
C
lack(vt.)“缺乏，缺少”，直接跟宾语。作名词用时用lackof.
Williamhascuthissmoking_____tofivecigarettesaday.
Thosepeople_____ageneralunderstandingofthepresentsituation.
“Itwasverycoldtesterday.”
“_____.”
_____youunderstandthisrule，you‘llhavenodifficultyindealingwithsuchproblems.
Icanspeak_____German.
