Question

把下列句子先改为否定句，然后再改为一般疑问句并作肯定和否定回答 We stayed at the summer camp for two days． ________

Answer 1

答案：
解析：

We didn't stay at the summer camp for two days． 　　Did you stay at the summer camp for two days? 　　Yes,we did．/ No,we didn't．