Remember, when you _____your work, you might go out and play.
| A．finished | B．will finish | C．have finished | D．had finished |
After 1953 _______ people have succeeded in climbing the mountain.
| A．several hundred of | B．several hundreds | C．several hundreds of | D．several hundred |
The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.
| A．solving | B．solve | C．have solved | D．having solved |
The goods bought on line are _________ than those bought in stores.
| A．more cheaper | B．more cheap | C．far cheaper | D．far cheap |
Some Australian Aborigines still live in a similar way to their ancestors, while ______ live in cities, towns and the country in the same way _____ their fellow Australians.
| A．others, like | B．others, as | C．the others, like | D．the others, as |
The fleet made several expeditions _______ the exploration was stopped.
| A．when | B．before | C．while | D．since |