______the bones under the sand,the scientists concluded that they came from the dinosaurs about 65 million years ago.
The child enjoyed _____ up the wooden bricks then knocking them down.
John was very upset because he was _____ by the police with breaking the law.
.It isn't quite _____ that he will be present at the meeting.
. Many new _____ will be opened up in the future for those with a university education.
The members of the club wouldn't run a _____ in entrusting(委托) the organization to an unreliable person.