William has cut his smoking_____to five cigarettes a day.
A
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。
Childrenwhoareover-protectedbytheirparentsmaybecome_____.
Theteachergave_____theexaminationpaper.
Thereisn‘tmuchmilk_____isleftinthebottle.
Itseemsasifthesun_____roundtheearthsinceitrisesintheeastandsetsinthewest.
Hedrovefastandarrivedanhour_____ofschedule.