Correct one mistake in each sentence. Write the correct words in the gaps after the sentences.

Write one word in each gap.

The earthquake left many houses on ruins. [ ]

I saw my friend at the corner of the street, but she didn't recognise me. [ ]

At what age do children start going in school in your country? [ ]

Unfortunately, we weren't to home when Heidi came over. [ ]

You shouldn't swear or fight on school! You're here to study. [ ]

My dad used to live to a farm when he was a child. [ ]