As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
| A．primary | B．alternative | C．instant | D．unique |
Since 2005, the boy hasn’t missed ______ game of David Beckham, ______ famous football player.
| A．a; a | B．a; the | C．the; the | D．the; a |
_______ you think graffiti (涂鸦) is mindless vandalism(破坏行为) against property or a living art form, its popularity suggests that it is here to stay.
| A．Although | B．No matter | C．Whether | D．Suppose |
---Come on, let’s go for a drink.
---Sorry. With so many problems _____ my mind, I can’t take a break.
| A．filled | B．filling | C．to fill | D．being filled |
A Belgian French-language daily has issued _______ is thought to be Europe’s first 3D newspaper —complete with cardboard viewing glasses.
| A．what | B．where | C．that | D．which |
_______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
| A．Being examined | B．Examined |
| C．Examining | D．Having been examined |