_____ the vegetables to go bad, he preferred to sell them at half price.
They looked forward with hope _____ a chance to receive further education.
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.