1 I (1) cleaned/was cleaning the kitchen when you (2) called/were calling.
2 Who (3) played/was playing music when you (4) arrived/were arriving at the party,?
3 Susie (5) watched/was watching a film when she (6) heard/was hearing the noise.
4 We (7) played/were playing tennis when John (8) hurt/were hurting his ankle.
5 What (9) did you do / were you doing at 10 pm last night – it (10) was/was being really noisy!
6 He (11) took/was taking a shower when the telephone (12) rang/was ringing.