1.It started/was starting to snow while we watched/were watching
2.The tourists drove/were driving across the desert when they had/were having an accident
3.I saw/was seeing a famous actor near the theatre.He wore/was wearing sunglasses.
4.Tomiko met/was meeting a Japanese boy while she travelled/was travelling across Australia.
5.We were skiing/skied down the mountain when Tom was falling/fell over.
6.You didn`t wear/weren`t wearing a cycle helmet when you arrived/were arriving home
7.Altai and Katya arrived/were arriving while we watched/were watching TV
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