Unit2 Heroes Communication Workshop 素材 北师大版 Module1 Unit2 Writing 满分作文One Saturday morning, while my friend Bob was taking his dog for a walk ,he saw some children playing on the bridge . He ran to the bridge happily and played with them. Suddenly , Bob fell into the river. He was very afraid and screamed : “Help me! Help me ! ” First , Tina jumped in the icy river to help him. Meanwhile ,his dog jumped in the river too. As they were helping Bob out, the other boys called the police . In the end, the dog helped them out. Bob was saved by the brave girl and the clever dog . How great they are! 用心 爱心 专心