35. She couldn’t have answered the question if she ________ a few books on world history.
Iran, _______ world’s fifth biggest oil exporter, says it only wants nuclear plants to produce _______ electricity.
The pencil-box on the desk as well as the bookmarks _______ to my little sister.
According to the newest reports, personal _______ of guns in the USA causes a lot of trouble.
— I wonder what makes you a successful manager. — I _______ as a waiter for five years, which contributes a lot to my today’s work.
Most British believe that there has never been a more splendid opening ceremony than_______ of the London 2012 Olympic Games.