He realized his mistakes and took action to reduce theloss _______ it was too late.

The village where my grandparents live is very ______ because there is nothing for me to do when I visit them. [ ]

Jenny, I’m going to study at a famous high school in Canada next week.—_________. I wish everything is fine with you there.

He is a man with rich experience, from ______ much can be learned.

Tom studies harder this term. _______, he has made great progress in his lessons.