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 |