------Is it OK if I have another cup of coffee?
------Of course, ______.
| A．don’t worry | B．no problem | C．no hurry | D．help yourself |
I’m so glad you’ve come here to ________ this matter in person.
| A．lead to | B．see to | C．turn to | D．refer to |
Walking alone in the dark, the boy whistled to ________ his courage.
| A．hold up | B．keep up | C．set up | D．take up |
Finally, my thanks go to my tutor, who has offered a lot of suggestions and comments on my paper and ________ every page of my draft.
| A．approved | B．quoted |
| C．polished | D．folded |
（2012浙江卷） According to scientists, our mental abilities begin to______ from the age of 27 after reaching the highest level at 22.
| A．differ | B．shrink | C．fail | D．decline |
（2014届河南省豫东豫北十所名校高三上学期阶段性测试）
I'm really concerned ahout you. If something _______ happen to you call me at once.
| A．would | B．should | C．could | D．might |