Jason is a good cook and his sister is not. He cooks ................... than her.
better
All the students work hard, but Will works ........................... of all.
the hardest
Lilian dances the .................................................. (beautiful) of her all her friends.
most beautifully
The babies are terrible players. The girl plays more ......................... than the boy.
Jack sleeps ....................... comfortably than his wife.
more
Ken and Sam are bad singers, but Sam sings ...................... than Ken.
worse
The rain is heavy. It is raining .................................
heavily
Eric ran the ....................................... of all.
fastest