句型转换 适当的词填空

句型转换：
1、has he
2、How long
3、has been dead
4、has been open
5、has been away
6、joined,ago
7、It's,since
8、The bus has been here for ten minutes.
选词填空：
1、never
2、already
3、for
4、ever,never
5、yet,already