. At a rough estimate（估计）, Nigeria is ____ Great Britain.
| A．three times the size as | B．the size three times of |
| C．three times the size of | D．three times as the size of |
If you cheat in the exam, you could hardly________ it.
| A．throw away | B．run away | C．get away with | D．stay away from |
He once studied in Zhejiang University, ________he went abroad for further study.
| A．after which | B．where | C．in which | D．which |
More attention should be paid __________ English.
| A．to speak | B．for spoken | C．of speaking | D．to speaking |
More than 60 million people in southwestern China ________the drought nowadays as a result of less rainfall, environmental damage and so on
| A．are affecting | B．are being affected by | C．are being effected by | D．are effecting |
Please don’t do anything harmful ________ our nature, or we humans will have no ________ each other.
| A．to, fun about | B．for, fun with | C．for, fun about | D．to, fun with |