If I make good money this time, I’ll __________ all my debts first.
It is vital that every piece of equipment ________ checked before the experiment.
Stamp collectors collect stamps relating to a particular theme. Sport lovers may try their best to find Olympic stamps ________ by various parts of the world every four years.
Bob spent six months alone on his boat. _____, Ann took care of the children on her own.
Mr. Smith _____ the idea that the welfare system should be improved as soon as possible.
Peter _______ annoyed on the phone, but I really had no idea what was wrong.