1) I/surf the Net
2) Mike/have lunch
3) Daniel/already get to airport
4) Sarah's clothes/be wet
5) Julia/sleep
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a) when he/realise he/leave his passport at home.
b) because she/walk in the rain.
c) when we suddenly/have a power cut.
d) and then do the washing-up.
e) when a loud noise/wake her up.