4. What do you think is the difference between these people, if there is question mark. 1) A friend and an acquaintance
2) A girlfriend and a female friend
3) A sibling and a cousin
4) A half-brother/sister and a step-brother/sister
5) An aunt or uncle and mother/father-in-law
6) A wife/husband and a partner
2) Tomorrow the terrorists (will have been holding) the hostages for three days.
3) We were late for the station. The train (had started) two minutes before we came.
4) Are you still watching television? You (have been watching) it since I left for work in the morning.
5) George smokes. He (has been smoking) for five years.
6) They ahave lready (painted) the walls in their flat.
7) The builder says he (will have finished) the roof by next week.
8) When I got to the car park I realised that I (had lost) my keys.