Я видел, как она вошла в читальный

Я видел, как она вошла в читальный зал, взяла книги и принялась за работу (to set to work). 1

Results (English) 1:

I saw how she entered the reading room, picked up the book and began to work (to set to work). 1

Results (English) 2:

I saw how she came to the reading room, picked up the book and started to work (to set to work). 1

Results (English) 3:

I saw, as it was in the reading room, took books and blast furnace went to work to set to work). 1