Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20th century.
Mrs Smith is a boss, ______company my uncle is devoted.
---Why didnt you tell him about the meeting? --- He rushed out of the room ______ I could say a word.
Toms words on which our decision was ______ werent true.
Due to the right decision, our company managed to ______ the most difficult time.
It was_______ back home after the experiment.