The shy girl sat there, ___ say anything.
| A．dare not | B．not daring to | C．not daring | D．didn’t dare |
I must apologize for __________ ahead of time.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
You must __________ the key information in the text if you want to choose the correct answer.
| A．leave out | B．let out |
| C．make out | D．find out |
We are at your service. Don't ________ to turn to us if you have any further problems.
| A．beg |
| B．bother |
| C．intend |
| D．hesitate |
It is foolish of him to __________ his notes during that important test, and as a consequence, he got punished.
| A．stick to |
| B．keep to |
| C．refer to |
| D．point to |
I am willing to do whatever my country requires __________ me.
| A．on |
| B．for |
| C．of |
| D．to |