The world today _____ different without the amazing discoveries produced by great scientists.
| A．were | B．had been | C．would be | D．would have been |
The taxi_______ a truck had knocked last night was destroyed.
| A．where |
| B．which |
| C．at which |
| D．into which |
These houses are sold at such a low price_______ people expected.
| A．like |
| B．as |
| C．that |
| D．which |
The news _______he told me yesterday surprised me．
| A．that |
| B．as |
| C．what |
| D．it |
Stephen Hawking believes that the earth is unlikely to be the only planet_______ life has developed gradually．(2010 .福建)
| A．that |
| B．where |
| C．which |
| D．whose |
My mother is being unreasonable; she doesn't allow me to go out until I have the room _______up.
| A．tidy |
| B．tidying |
| C．tidied |
| D．to tidy |