Circle the correct options: 1 Our neighbour fell / was falling while he walked / was walking into the town. 2 While she looked / was looking for her bag, she found / was finding an old photo. 3 William didn't hear / wasn't hearing the man when he stood / was standing behind him. 4 We cycled / were cycling home when the storm started / was starting. 5 She had / was having a problem when she did / was doing her homework. 6 Did they sit / Were they sitting on the bus when it hit / was hitting the car?