Is this your necklace, Mary? I ______ it when I was cleaning the bathroom this morning.
| A．came across | B．dealt with |
| C．looked after | D．went for |
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 |
You'll find it hard to get rid of the drug habit _______ you have it.
| A．before |
| B．once |
| C．until |
| D．though |