用they're swimming 编一则对话【不少于5句】

网友回答

A:Hi,what are you up to?
B:I'm having a rest on the ground.
A:What about your classmates?
B:Oh,they're swimming in the river next to the largerest tree.
A:oh,I see,you are having a camp with them,am I right?
B:yes,you are right!
A:Have a good time!