There are many people standing in front of the government building, __________ some are peasants.
| A．of them |
| B．from which |
| C．who of |
| D．of whom |
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 |
— The weather is changeable here. Please take more clothes.
—_____________.
| A．Well, it depends |
| B．Thanks, by no means |
| C．OK, just in case |
| D．Don't worry |
We can no longer ________ to consider water an almost free resource that we can use as we like.
| A．permit |
| B．afford |
| C．expect |
| D．spare |