Past Simple Passive or Past Perfect Passive?

When the soldiers got home, they discovered that their homes ... during the war.

• had been destroyed

• were destroyed

There was a terrible car accident in my street last night - one man ... .

• had been killed

• was killed

When we got to the bookshop, we were too late! The last copy ... .

• was sold

• had been sold

It was strange to see my old school again - all the walls ... a different colour by the new caretaker.

• had been painted

• were painted

The 2010 football World Cup ... in South Africa.

• had been held

• was held

I was angry when I got to the shop because my bicycle ... .

• had not been repaired

• was not repaired

When I got to the party all the food ... .

• was eaten

• had been eaten

The invitations ... already sent when he decided to call off the wedding.

• had been

• were

Mobile phones ... when I was a child.

• were not invented

• had not been invented

When Arno got to school, the violin ... to someone else.

• was already given

• had already been given