William has cut his smoking_____to five cigarettes a day.
A、downA
cutdown“削减，减少”;cutsth.downto“把⋯⋯减到(什么程度)”，是固定搭配，而且符合题意。
_____alltherepresentativesstillnotthere，themeetingwaspostponedforseveralhours.
Hedrovefastandarrivedanhour_____ofschedule.
Williamhascuthissmoking_____tofivecigarettesaday.
Thosepeople_____ageneralunderstandingofthepresentsituation.
_____youunderstandthisrule，you‘llhavenodifficultyindealingwithsuchproblems.
