I have always regretted ______ harder at school.
I ______________ have passed my examination easily,but I made too many stupid mistakes.
—Why not find a new job?—Why should I? I _____________ as much,but I like what I'm doing.
The scientist spent years alone in the forest,_____________ by eating wild fruit and small animals.
From the moment babies are born, parents are helping them to be released into the world, not to__them or to control their lives for the rest of life.
He kept his eyes and stayed where he was.