The ____are oviparous. They lay ____ to reproduce. They ____ using their ____. They have ____ feet and walk on the ____. They are ____, and they have ____ wings. Most birds ____ fly They have ____ that protect them and ____ them warm.

Birds

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?