Factory workers have to work very hard, and _________.
| A．farmers do so | B．farmers work so |
| C．so have farmers | D．so do farmers |
In the countryside, ____car is not yet ____popular means for transportation．
| A．/; a | B．a; the | C．the; / | D．the; a |
The news shocked the whole nation ____a strong earthquake hit Yushu on Apr．14, 2010．
| A．what | B．when | C．that | D．which |
You ____be tired—you have worked only for ten minutes．
| A．won’t | B．mustn’t | C．needn’t | D．can’t |
—Tom lost his job last week．
—___he is wandering in the street these days．
| A．No doubt | B．No way | C．No wonder | D．No problem |
The largest collection, ______in England, was one of about 200,000 silver pennies.
| A．to be found | B．has found | C．being found | D．ever found |