Look at the picture,The children ____(play) in the park happily
问题描述:
Look at the picture,The children ____(play) in the park happily
答
Look at the picture,The children __were playing__(play) in the park happilywere是过去式为什么play要加ing照片照在过去的某一个时刻,当时孩子们正在玩耍,过去正在做的事就用过去进行时,即were doing