Is the modern racing car outside ______,Lucia –Of course not. Nobody but Jim can affordsuch an expensive car. It must belong to ______.

The calculations, had they been done by hand, ______all practical value by the time they were finished

People are advised to be _____ towards the health concerns of their dear ones while burning firecrackers to celebrate the festival, for they contain harmful chemicals．

John had to have his car repaired in agarage because itseriously.

The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.