While John was walking to school ,he saw a cat in the tree 对in the tree 提问
问题描述：
While John was walking to school ,he saw a cat in the tree 对in the tree 提问
答
这句话的关键就在一个单词， 即tree. 应该是复数而不是单数。 in the tree(s) 中文的意思是“在树林中”。
在去学校的途中，约翰看见树林里有只猫。
希望对你有帮助。
答
Where was the cat while John saw it on the way to school?
答
Where did he see a cat while John was walking to school ?
答
Where did he see a cat while walking to school.