Listen and match. 听录音，连线。1. cat2. dog3. goat4. sheep5. chickena. yellowb. bigc. whited. rede. black答案1-e2-b3-a4-c5-d
2. dog
3. goat
4. sheep
5. chicken
b. big
c. white
d. red
e. black
1-e2-b3-a4-c5-d
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