Last weekend ,Xiao Ming and his classmates went to the m(ountains 山 ).When they a(rrived 到达 ) at the mountains,they s(aw 看见 ) rubbish here and there.The ground l(ooked 看起来 ) very dirty.They had a short meeting and d(ecided 决定 ) to pick up the rubbish while they climbed up the mountains.In the l(ate 晚 )afternoon,they got to the top.S(eeing 看 ) on the top of the mountains,they looked at the food of the mountains .They f(ound 发现 ) the mountains were very clean and b(eautiful 美丽 )
They had a picnic at the top of the mountains.Then they had a party .They s（ang 唱歌 ）and d(anced 跳舞 ) at the party.They e(njoyed 过得愉快 ) hem selves very much.