根据要求改写句子，每空一词。
小题1:They have been here since ten years ago.（对划线部分提问）
have they been here?
小题2:Mike used to get his mother angry.（改为一般疑问句）
Mike____ to get his mother angry?
小题3:I've never been to Beijing and Jack has never been there, either.（合并为一句）
I Jack has ever been to Beijing.
小题4:What do you do with your problems?（改为同义句）
How do you____ your problems?
小题5:Have you finished your homework?（作否定回答）
,I .