Ответ:
- Bob ran into his old friend on his way home.
- If a burglar breaks into your house, you should hand over your valuables.
- The police are running after a robber.
- Many young people hang out at shopping centers at weekends.
- We ran out of milk, so I went to buy some.
- Beth is crazy about volleyball.
- There are a lot of activities to choose from.
- Keep your mobile phone switched on at night.
