________ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．To compare | B．When comparing | C．Comparing | D．When compared |
I don't know why she's looking at me __________ sheknew me. I've never seen her before in my life.
| A．as | B．although | C．even if | D．as if |
The prize will go to the writer __________ story shows the most imagination.
| A．that | B．which | C．whose | D．what |
—Smoking is bad for your health.
—Yes, I know. But I simplycan't __________.
| A．give it up | B．give it in | C．give it out | D．give it away |
__________ in the mountains for a week, the two students were finally saved by the local police.
| A．Having lost | B．Lost | C．Being lost | D．Losing |
Elephants would __________ soon if man was allowed to shoot as many as they wish.
| A．die out | B．die off | C．die away | D．die down |