I have done everything _____ was possible to do to prevent him from _____ the risk but in vain.
| A．it; cutting | B．which; running | C．that; cutting | D．it; running |
Doctors will conduct a(an) _______ examination to determine whether your eyes are suitable for the operation.
| A．constant | B．optimistic |
| C．thorough | D．original |
The recent study has shown that people’s attitudes towards protecting the environment aren’t _________with their behavior in daily life.
| A．reliable | B．consistent |
| C．positive | D．cautious |
After a short break, the teacherthe lesson where she had left off just now.
| A．swept up | B．speeded up |
| C．broke up | D．took up |
Now, a Chinese couple, whether the husband or the wife is a single child, can have a second child. This used to only _______ couples who were both single children.
| A．attend to | B．apply to |
| C．appeal to | D．add to |
We should learn from various civilizations, ancient and modern, andbenefits from them.
| A．conclude | B．suspect |
| C．absorb | D．announce |