根据要求改写句子，每空一词。
They have been here since ten years ago.（对划线部分提问）
                                                   have they been here?
Mike used to get his mother angry.（改为一般疑问句）
                   Mike____             to get his mother angry?
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.
What do you do with your problems?（改为同义句）
How do you____                                your problems?
Have you finished your homework?（作否定回答）
                  ,I                   .