1. (2021五下·高坪期末) 阅读短文。将句子补充完整，每根短横线上只填一个单词。

Welcome to our school art show! I'm John. Look at this picture. It's Tom's. It's a picture about spring. The colours are very pretty! We can see a river, many trees, some birds, and some children in the picture. The children are flying kites. They are happy.

1. （1） —Whose picture is it?

   —It's .

3. （2） —Which season is the picture about?

   —They are .

5. （3） —What are the children doing in the picture?

   —It's about.

7. （4） —Is there a river in the picture?

   —, there .