1.Where have they lived?
2.At which company have we worked?
3.When have I started using this computer?
4.When have you been in Prague?
5.Why has he always liked such films?
1.Where have they lived?
2.At which company have we worked?
3.When have I started using this computer?
4.When have you been in Prague?
5.Why has he always liked such films?