题目：
看图完成答句，一空一词。
1. Where are the boys?
They are ______ the ______.
2.What are one group of the boys doing?
They are______.
3.What are the other group of boys doing?
They are ______.
4.Where are the three students standing?
They are standing ______ a big ______.
5.What are they doing?
They're ______ the basketball ______.
答案：
1. on/in, playground
2. playing soccer
3. playing basketball
4. under, tree
5. watching, game/match
