A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people,________ worst such disaster in 40 years in the US.
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?