there is a boy standing on the tree 可以改成there is a boy to stand on the tree 那么如果改成there is a boy to be standing on the tree可以吗

分类: 作业答案 • 2022-04-23 20:26:36

问题描述：

there is a boy standing on the tree 可以改成there is a boy to stand on the tree
那么如果改成there is a boy to be standing on the tree可以吗

答