Williamhascuthissmoking_____tofivecigarettesaday.
A
cut down “削减，减少 ”;cut sth. down to “ 把⋯⋯ 减到(什么程度) ”，是固定搭配，而且符合题意。
Beingextremely_____tothecold，Idonotlikeskating.
He‘sworkinghard_____.
Hisarticleisbetterthan_____intheclass.
Thereisn‘tmuchmilk_____isleftinthebottle.
My wallet is nowhere to be found.I_____it when I was on the bus.
