Without that conversation between them, they would ______ be able to avoid mistakes.
All flights __________ because of the snowstorm, we decided to take the train.
The little boy, __________ two attempts to climb over the fence of the garden, decided to have another try.
__________ out of work for a few months, mother took up the job of waiting on patients in the hospital.
__________ in the restaurant for half an hour, I suddenly realized I had left my wallet at home.
The young man, __________ abroad for two years, decided to go back to his motherland.