The old lady, _______ had been killed in the war, was given help by the local government.
Not only _______ many people’s lives by reducing fever and helping stop pain, but there are also other things that aspirin can help with.
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.