Nothing but some ancient Chinese coins _______ in the sunken ship since they began the exploration.
________ I've got my own car, I don't get as much exercise as I used to.
I find it difficult to keep ________ of my old friends.
—It’s not wise of you to go on a trip in such weather. —Indeed! I didn’t became _____of it until on half the way.
— How much shall I pay for the phone cell? — You _______. It’s free of charge.
Life is limited, _____there is no limit to_____ the people.