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.