1.An elephant is twice as _____ as a horse.a.bigger b.biggest c.big d.more big2.They do not all use it as their ____ tongue.a.aunt b.mother c.father d.uncle

1.An elephant is twice as _____ as a horse.a.bigger b.biggest c.big d.more big2.They do not all use it as their ____ tongue.a.aunt b.mother c.father d.uncle
1.An elephant is twice as _____ as a horse.
a.bigger b.biggest c.big d.more big
2.They do not all use it as their ____ tongue.
a.aunt b.mother c.father d.uncle

1.An elephant is twice as _____ as a horse.a.bigger b.biggest c.big d.more big2.They do not all use it as their ____ tongue.a.aunt b.mother c.father d.uncle
1.c as...as之间用形容词原形
2.b.mother tongue是固定搭配,母语的意思.

C,B

C. big
B. mother

C
B母语

C.big
B.mother