bird,tree,

bird,tree, 用bird,sing,tree造句 The bird built ( )nest the tree.its Look!The bird is （ ） the tree. the bird?in the tree.填空 listen to the bird in the tree. I saw a bird in a tree! There is a bird on the tree.on the tree or in the tree There is a bird in the tree 改为一般过去式 There is a bird on the tree这句话对不对 there is a bird in the tree变为复数形式 A bird is singing __the tree填方位动词 A bird is singing on that tree单词改错 there are some bird in tree（改为否定句） The bird is ___the top of the tree. A bird is on that tree.单词改错 A bird is singsing on that tree.单词改错 a bird lives in the tree的提问