All efforts of cloning an animal will be ________ if there is not enough diversity in the group to overcome illness.
—I'd like to know more about the accident. —Better try __________ the CCTV website, and you can get the latest information in no time.
__________ in the cage for half a day, the bird became hungry.
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.