问题描述：
用 is are do does 填空完成句子 Listen to the pigs!They ___so loud!____they hungry?
______you like birds,Amy?
Yes,I___.Listen!"Tweet-tweet"
____they singing?
Yes,they ____.
______you like birds,Amy?
Yes,I___.Listen!"Tweet-tweet"
____they singing?
Yes,they ____.
问题解答：
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