Dolphins are __________________________ (good) at learning tricks than sharks.
better
My house is __________________________ (modern) than my grandparents’ house.
more modern
Peter runs __________________________ (far) than Tom in the school race.
farther
A: I think math is __________________________ (important) than music.
more important
The Amazon River is __________________________ (big) than the Nile River.
bigger
There are __________________________ (many) students in this class than in yours.
more