1) What (wereyou/doing) when I (called) you last night?..
2) I (was sitting) in a cafe when you (called)...
3) When you (arrived) at the party, who (was) there?..
4) Susie (was watching) a film when she (heard) the noise...
5) Yesterday I (went) to the library, next I (had) a swim, later I
(met) Julie for coffee....
6) We (were playing) tennis when John (hurt) his ankle...
7) What (were they/doing) at 10pm last night - it was really noisy?.
8) He (was taking) a shower when the telephone (rang)...
9) He (was) in the shower when the telephone (rang / was ringing)...
10) When I (walked) into the room, everyone (was working)...
11) It (was) a day last September. The sun (was shining) and the birds
(were singing). I (was walking) along the street when I (met) an old friend......
12) He (were living) in Russia when the Revolution (started)...
13) When her train (got) to the station, we (were waiting) on the platform...
14) He (was) so annoying! He (was always leaving) his things everywhere...
15) On holiday we (visited) Rome, (saw) the Vatican, and (spent) a few days at the beach.