请选出正确的答案。
1.
我是一只小小（ ？ ）
鸟
乌
2.
（ ？ ）就飞，叫就叫
几
飞
3.
在田野，在（ ？ ）地
早
草
4.
自由（ ？ ）在地飞行
自
白
读一读。
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kidzcool 
