When I came in they (sit) round the fire. Mr. Smith (do) a crossword puzzle, the others (read), Mrs. Smith (smile) at me and (say). ‘’Come and sit down”.

When I came in, they were sitting round the fire. Когда я вошел, они сидели перед камином /или вокруг камина/.

В первом предложении я не поняла смысл, а дальше was doing, were reading, smiled, said