Look!These is a pen_(lie)on the ground.填什么,为什么,
问题描述:
Look!These is a pen_(lie)on the ground.
填什么,为什么,
答
lying 进行时
答
lying.
看!地上有一支笔.
句型there is something/somebody doing something.用于描述某人没/某事的动作、状态.