. The child walked quietly to the bird. _______ into the forest when he was about to catch it.
Busy _____ he was, he tried his best to help you.
I learned a little Russian _____ I was at middle school.
_____ 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.