— People should stop using their cars and start using public transport.— _____________. The roads are too crowded as it is.
As we all know, surfing _____ Internet has now become _____ popular means of getting information.
—Your hamburger is the best I’ve ever tasted, Ms. Black!—Thanks, Harry. _____.
Water, which seems so simple and common, is _____ makes life possible.
_____ is no possibility that Bob can win the first prize in the match.
—Have you ever ridden a horse ?—No, but I _____ a camel when I visited Egypt last year.