1 What time did you wake up this morning? - At 7 o'clock (answer a-1)
2 When did he finish the university? - Two years ago (answer b-2)
3 Why did they go to London? - For business. (answer f-3)
4 What did you have for breakfast? - Cereal. (answer e-4)
5 When did Tom start playing the piano? - When he was 6 (answer c-5)
6 Who did Emily invite to the barbecue? - Shelly and Robert (answer d-6)