题目内容：

初一英语句子（改句）
1.Have you ever seen the lion dance?(作出否定回答）
2.Hans has lived in Hamburg (since 1996).(对括号部分提问）
3.She's been here (for an hour).（对括号内容提问）
4.It began to (rain at 4pm).(对括号内容提问）