8. There’s no light on; they _____ be at home.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
They were excited and in an unguarded moment __________ their secret.
| A．gave away |
| B．gave up |
| C．gave in |
| D．gave out |
-How do you find Summer Shoes 2012?
-__________！ I think every lady will love it.
| A．Very fascinating |
| B．By chance |
| C．Don't you know |
| D．Don't worry |
If the dog hadn't woken us, we wouldn't have noticed the fire and it __________ to the house next door.
| A．could spread |
| B．should have spread |
| C．would spread |
| D．might have spread |
As civilization __________，more and more people have realized the importance of preserving rare animals from dying out.
| A．stretches |
| B．spreads |
| C．extends |
| D．expands |
Was it __________ the inter-national conference that made the city the focus of this area?
| A．held |
| B．hold |
| C．holding |
| D．being held |