The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
The bus stopped at the station, _____ several people and drove off.
The _____ you study, the _____ you’ll be in it.
You’d better go there by train. The train ticket is _____ the plane ticket.
She brought with her three friends, none of _____ I had ever met before.
_______ ambassador who did his best to prevent the war is of _______ benefit to the place.