It's ____________ (big) than I imagined.
bigger
He's ____________ (bad) than anyone I know.
worse
She's ______________ (friendly) than he was.
friendlier
We're not _____________(happy) than in the past.
happier
It's __________ (far) than we thought.
further/ farther
It's _____________ (heavy) than it looks.
heavier