We can never expect ________ bluer sky unless we create ________ less polluted world.
| A．a；a | B．a；the | C．the；a | D．the；the |
With inspiration from other food cultures，American food culture can take a________ for the better.
| A．share | B．chance |
| C．turn | D．lead |
The accident caused some ________to my car，but it’s nothing serious.
A．harm B．injury
C．ruin damage
As the world’s population continues to grow，the ________ of food becomes more and more of a concern.
| A．worth | B．supply |
| C．package | D．list |
While she was in Paris，she developed a ________ for fine art.
| A．way | B．relation |
| C．taste | D．habit |
My uncle hasn’t been able to quit smoking，but at least he has________.
| A．cut out | B．cut down |
| C．cut up | D．cut off |