单词大挑战

A

10

pig

this is an pig

20

horse

this is a horse

30

elephant

this is an elephant

40

fish

this is a fish

50

swimming

it is swimming

B

10

cat

this is a cat

20

bird

this is a bird

30

duck

this is a duck

40

monkey

this is a monkey

50

running

it is running

C

10

dog

this is a dog

20

giraffe

this is a giraffe

30

mouse

this is a mouse

40

walrus

this is a walrus

50

flying

it is flying