句型转换 1.I was at home last night?(改为一般疑问句,做否定回答）
2.I did my homework yesterday.(改为否定句）
3.vera visited the great wall last sunday.(改为一般疑问句）
4.the boys were at school last saturday.(改为否定句）
5.scoot came back home on foot.(同义句）
6.he watches tv ever sunday evening.(用now 改写)