Lincoln had very little free time ______ he could spend studying then.
| A．when | B．in which | C．at which | D．which |
While she was in Paris，she developed a ________for fine art.
| A．way | B．relation | C．taste | D．habit |
The accident caused some________to my car，but it's nothing serious.
| A．harm | B．injury | C．ruin | D．damage |
Whenever I made mistakes，the teacher pointed them out with ________.
| A．curiosity | B．satisfaction |
| C．envy | D．patience |
With inspiration from other food cultures，American food culture can take a________for the better.
| A．share | B．chance | C．turn | D．lead |
Carbon dioxide, which makes a________between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
| A．difference | B．comparison |
| C．connection | D．barrier |