1.They have traveled some places in China.(变为一般疑问句)
问题描述：
1.They have traveled some places in China.(变为一般疑问句)
2.I have been a flight attendant (for two years).(对打括号的部分提问)
3.Both of them enjoy reading this book.（变为否定句）
4.I‘ve ever ridden the horse.（变为否定句）
答
1 Have they traveled some places in China?2 How long have you been a flght attendant?3 Both of them don't enjoy reading this book.4 I've never ridden the horse./ I have not ridden the horse.【速度回答...