1 My brother runs _____than me.
A fast
B faster
C more fast
2 Peter is______ than Jim.
A fat
B fatter
C more fatter
3 My schoolbag is ____ than this.
A more nice
B niceer
C nicer
4 Iron(铁) is ____than wood(木头).
A heavier
B more heavy
C heavyer
5 Mary’s dress is ____ than mine.
A beautifuler
B beautifuller
C more beautiful