The companies are working together to create _________ they hope will be the best means of transport in the 21st century.
--- Who knocked at the door?--- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ______ was.
At the bus stop ______ a solider and two young people on their way to the village.
Mary said nervously that it was _______ honour to have got _______ first prize in the composition contest.
— Is Jay coming by bus?— He should, but he ____ not. He likes cycling along.
As we know, in the airport we’re ______ to smoke only in special areas.