It is not profitable to provide bus services in districts where the population is widely _____.
| A．scattered | B．dismissed | C．separated | D．spread |
According to the shopping list，________a dozen socks.
| A．there seem to be |
| B．there seems to be |
| C．there seem to have |
| D．it seems to be |
Seeing the sun________above the surface of the sea, we let out a shout of joy.
| A．to rise |
| B．to raise |
| C．rising |
| D．raising |
He________that he could finish the job without any help.
| A．claimed |
| B．required |
| C．demanded |
| D．asked |
We heard an explosion and________for cover.
| A．hid |
| B．dived |
| C．walked |
| D．found |
China is one of the largest countries in the world，________9.6 million square kilometres.
| A．to cover |
| B．covered |
| C．covers |
| D．covering |