________ hard you try，it is difficult to lose weight without cutting down the amount you eat.(2012·湖南)

He promised me if we_______ the game, he ________us a round of drink

Anne’s father had his daughter’s diary ________after Anne died _______illness.

Did you know any French before you arrived in Washington——Never ____ it, actually.

When asked why he went there, he said he was sent there for a spaceflight.[ ]