【2015·陕西】Reading her biography, I was lost in admiration for ________Doris Lessing had achieved in literature.
_____ we got to the station, the train had left already.
_____ the rain stops, we' 11 set off for the station.
She was _____ tired _____ she could not move an inch.
We didn’t go home _____ we finished the work.
I'll stay here _____ everyone else comes back.