Complete the sentences with the correct form of the verbs in brackets. Use the correct past tense or used to. Sometimes more than one answer is correct.

1. Last weekend, we ...(DRIVE) along on the motorway when we ... (SEE) a huge traffic jam. The road was blocked because there ... (BE) an accident earlier that morning.
2. As a child, I ... (SPEND) the summer holidays at my grandparents house at the seaside. But after my granny... (DIE) , my granddad ... (SELL) the house to buy a flat near ours in the city centre.
3. Last weekend, I ... (WAIT) in a queue at the airport to check in for my flight when I ... (REALISE) that I ... (LEAVE) my passport at home.
4. Last year, after my parents ... (SAVE) up enough money, they... (BUY) a cabin in a tiny mountain village where they ... (LIVE) as a children.