You must have been there, ____________?
| A．have you | B．did you | C．haven’t you | D．didn’t you |
Jia Sixie wrote down his advice in a book called Qi Min Yao Shu，__________ was considered an important summary of the knowledge of farming.
| A．which |
| B．who |
| C．that |
| D．what |
The factory is no longer __________ it was 5 years ago, __________ it was so poorly equipped.
| A．what； when |
| B．that； which |
| C．what； which |
| D．which； that |
The expo is being held in Shanghai, __________ a lot of advanced technology is shown for the first time.
| A．why |
| B．which |
| C．when |
| D．where |
The manager thought __________ of these problems before he made the final decision.
| A．a good many |
| B．a great deal |
| C．an amount |
| D．a plenty |
She likes doing things accordingly, and doesn't like her work __________ being interrupted.
| A．drill |
| B．load |
| C．regulation |
| D．routine |