--- “Fail to do your homework again?”
---“Sorry, I ____ something else and didn’t hear your assignment.”
| A．thought | B．had thought |
| C．was thinking | D．have been thinking |
The incident turned him into different person, even if he did not realize it at beginning.
| A．a; a | B．the; the | C．the; a | D．a; the |
For holidays, many people visit the Great Barrier Reef _______ the northeast coast of Australia, _______ has more than 600 islands.
| A．on, which | B．on, that | C．off, which | D．off, that |
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 |