His speech was heard by a group of judges, _________ agreed that it was the best one this year.
I regret _____ hard at school, or I would have succeeded in passing the exam.
We should prevent such a silly mistake _____ again.
_____ full preparations, we decided to put off the meeting till next week.
I’m examining the article he has just finished _____ the possible mistakes in it.
How could he get the plan _____ without any one to support him?