Options 1, 4, 5 and 6 are correct.

1) Passive voice is used when the focus is on the action.

2) Passive sentences can never have two objects.

3) Passive voice is used when the focus is on the person who does the action.

4) The Passive voice is commonly used in the written press.

5) Sometimes a statement in passive is more polite than in active voice.

6) Passive sentences can have two objects.

1) Lots of movies are made in Bombay.

2) English is spoken well by those students.

3) A lot of pictures are taken.

4) The students are helped by the teacher.

5) The flowers are watered everyday in summer.

1) Oranges were planted in Valencia by the Romans.

2) The thieves were arrested (by the police= optional).

3) The most important match of the season was won in the last minute.

4) The little child was bitten by my neighbour's dog.

5) Lots of plays were written by Shakespeare.

1. In the year 122 AD, the Roman Emperor Hadrian visited his provinces in Britain.
2. On his visit, the Roman soldiers told him that Pictish tribes from Britain's north had attacked them.
3. So Hadrian gave the order to build a protective wall across one of the narrowest parts of the country.
4. After 6 years of hard work, the Wall was finished in 128.
5. It was 117 kilometres long and about 4 metres high.
6. The Wall was guarded by 15,000 Roman soldiers.
7. Every 8 kilometres there was a large fort in which up to 1,000 soldiers found shelter.
8. The soldiers watched over the frontier to the north and checked the people who wanted to enter or leave Roman Britain.
9. In order to pass through the Wall, people had to go to one of the small forts that served as gateways.
10. Those forts were called milecastles because the distance from one fort to another was one Roman mile (1,609 metres).