Nearly________ of the surface of our planet is covered by water.
| A．seven-ten | B．seven-tenth | C．seven-tenths | D．seventh-ten |
——What about the protection?
——Let us keep the surface dirt by putting a cover over it.
| A．far from |
| B．free from |
| C．apart from |
| D．away from |
China is a large country, which 9,600,000 square kilometers.
| A．cover |
| B．covering |
| C．covered |
| D．covers |
The officer insisted that Michael did not follow the correct ________ in applying for a visa.
| A．pattern |
| B．procedure |
| C．program |
| D．perspective |
It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
| A．symptom |
| B．similarity |
| C．sample |
| D．shadow |
Whether the buildings in this area should be pulled down has remained ________; people are still looking for other possible solutions.
| A．unchallenged |
| B．relevant |
| C．controversial |
| D．contradictory |