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。
Itwasnotuntilshehadfinishedallherwork_____.
Ifhe_____thestorekeeper‘sscissors,hewouldhaveforgottentobuyapair.
“Itwasverycoldtesterday.”
“_____.”
Thereisn‘tmuchmilk_____isleftinthebottle.