Por favor me ajudem!! não me passem respostas erradas.

1)Canada is______ than China.
A)big
B)bigger
C)biggest

2)Monkeys are______ than Elephants.
A)small
B)smaller
C)smallest

3)Giraffes are the _____ land animals.
A)tall
B)taller
C)tallest

4)Boys usually have______ hair than girls.
A)short
B)shorter
C)shortest

5)A bicycle is _______ than a car.
A)the most economic
B)economic
C)more economic

6)My house is _______ than yours from school.
A)farther
B)farthest
C)the far

7)Emma is _____ than Peter.
A)happier
B)happy
C)the happiest

8)My brother is _____ than my father.
A)the tallest
B)tall
C)taller

9)That house is ______ in this area.
A)more beautiful
B)beautiful
C)the most beautiful

10)This supermarket is _______ than that one.
A)expensive
B)more expensive
C)the most expensive