1. 1)Is she Tom's younger sister?
2) Is she Tom's younger sister, or Jack's?
3)She is Tom's younger sister, isn't she?
4)Who is she?
5)Who is Tom's younger sister?
2. 1) Will it be very cold tomorrow ?
2) Will it be very cold tomorrow, or the day after tomorrow?
3) It will be very cold tomorrow, won't it?
4) When will be cold?
5) What will be cold tomorrow?
3. 1)Did I see him yesterday?
2) Did I see him yesterday, or on Friday?
3) I saw him yesterday, didn't I?
4) When did I see him?
5) Who did see him yesterday?