Ответ:

1.What did you do when the storm started

-I watched TV while Ann read a novel

2.My sis looked out of the window this morning when she saw an accident

-Really?Anyone got hard?

3.How they got lost in the forest?

-They losed their map,and they started walking in the wrong direction

4. As the train leave the station,it catch fire

-Thats awful the passengers was Ok