A: I heard on the radio the lights (go) out in your flats last night.
B: Yes, I (watch) a documentary on TV when we suddenly (lose) all the power.
    But it (come) on again after about ten minutes.
C: Rachel (come) down the stairs when the lights (go) out. She almost (fall) over.
D: Matthew and I (play) table tennis when it happened.
E: I (work) on the computer. I (lose) a whole hour's work.
    But this morning I (get) up early and (do) it again.