1：you used to go shopping on weekends （改为一般疑问句）
问题描述：
1：you used to go shopping on weekends （改为一般疑问句）
2：you used to be thin ,didn,t you?（做肯定回答）3：he used to wear a pair of glasses.划线部分是a pair of glasses.（对划线部分提问） 4：jenny used to have straight hair（改为否定句）
答
Did you use to go shopping on weekends?/Used you to go shopping on weekends?Yes,I did.What did he use to wear?Jenny didn't use to have straight hair./Jenny usedn't to have straight hair.还有一句：they usedto go shopping on weekends （改为一般疑问句）Used they to go shopping on weekends?/Did they use to go shopping on weekends?