Look,there is a bird ------[ sing] in the tree.Litter-----[i
Look,there is a bird ------[ sing] in the tree.Litter-----[i
In the tree there is a bird .可以改为:There is a bird in the tre
--Look,__beautiful bird is in the tree.
There is a bird in the tree 改为一般过去式
连词成句:is,there,bird,a,the,in,tree.
there is a bird in the tree变为复数形式
There is a bird on the tree.on the tree or in the tree
There is a bird____[sing]in the tree
单选题:1,Look,what is in the tree?-----There is 填空bird singing
There is a bird in the tree. 对 a bird 划线提问
主变动I can see a bird sing in the tree
Look,there is a bird()that tree.A in B on C at