1.They _____ (were swimming) across the river when the boat _______ (arrived)
2.Anara ________ (had) a bad accident when she ______ (was skiing) down a mountain in the Urals
3.______Was____ Ablai _________ (llistening) when the teacher ________ (askedhim a guestion?
4.We ________ (stopped) at the Great Wall when we ____were____ (travelling) through China.
5.You ____were_____ (not looking) at the road when you ___________ (fell off) your mountain bike.
6.______Were___ you ________ (driving) when the storm _____ (started)?