3) 1. Half past seven
2. Quartet to three
3. Five o’clock
4. Quartet past eight
5. Twenty past one
6. Tventy-five to seven
7. Ten past eight
8. Five to eleven
4) 1. Janet is on the seventy-first floor
2. Joy is on thr sixty-third floor
3. Sam and Sue are on the fifty-fifth floor
4. David is in thr fourty—seventh floor
5. Paul is on the thirty-third floor
6. Nick is on the twenty-fourth floor
7. Tony and Tina are on the twelfth floor
8. Tom is on the eighth floor