他们正在做什么？他们正在图书馆学习吗？
What are they doing?Are they studying in the library?
什么时候他们最沮丧？当时他们正在做什么？
When did they look frustrated? What were they doing?
看这张照片，讲讲天气怎么样，他们正在做什么。用下表中的单词来帮助你。
Look at the three photos. talk about the weather is like and what they are doing. use the words in the box to help you.