M1U1Module 1 Unit 1 How long is the great Wall

课题：《英语》（新标准）（一年级起点）六年级上册Module 1 Unit 1 How long is the Great Wall?

设计者：辽宁省大连市甘井子区周水子小学池丽娜

Beijing Xi’an Forty li long 1912

Shanghai 468m