Key points:
1. The boy with red hair(红头发的男孩子） is David. The boy with blue hair（篮头发的男孩子） is Ben. They're good friends.

2. They are talking about what they will do in the summer vocation(正在谈论暑假的计划）.

3. What will.... do this summer?
David: will go to London, visit his uncle.
Ben: will go to the beach, swim in the sea, make sandcastles, play balls with friends; will go to Shunde, visit his grandparents; will study English; will go camping.

Boys and girls, try to make your own dialogue with your partner. You can do it!(请尽最大努力跟同桌对话，你能行的！）