算一算。
If two dogs are in front of a dog and two dogs are behind a dog，and one dog is in the middle. How many dogs are there in all？________
【答案】C，E，B，D，A 六、Three
【解析】
题目：算一算。
关键字：
算一算。
If two dogs are in front of a dog and two dogs are behind a dog，and one dog is in the middle. How many dogs are there in all？________
【答案】C，E，B，D，A 六、Three
【解析】