—Look! He’s running so fast!
—Hard to______ his legs were once broken.
| A．know | B．imagine | C．realize | D．find |
John Smith, a successful businessman, has a ______car.
| A．large German white | B．large white German |
| C．white large German | D．German large white |
It is re ported that the United States uses _____ energy as the whole of Europe.
| A．as twice | B．twice much | C．twice much as | D．twice as much |
Mary kept weighing herself to see how much ______ she was getting.
| A．heavier | B．heavy | C．the heavier | D．the heaviest |
It is believed that if a book is ______, it will surely ______ the reader.
| A．interested; interest | B．interesting; be interested |
| C．interested; be interesting | D．interesting; interest |
Without the 
air to hold some of the sun’s heat, the earth at night ____ for us to live.
| A．would be freezing cold | B．will be freezing coldly |
| C．would be frozen cold | D．can freeze coldly |