______ different kinds of pianos, the factory is sure they can satisfy people’s need.
| A．To produce |
| B．Being produce |
| C．Produced |
| D．Having produced |
You're fortunate________such a good chance.
| A．for getting |
| B．into getting |
| C．to getting |
| D．in getting |
It's impossible________back the wheel of history.
| A．to hold |
| B．holding |
| C．held |
| D．to be held |
The bell________the end of the period rang, ________our heated discussion.
| A．indicating; interrupting |
| B．indicated; interrupting |
| C．indicating; interrupted |
| D．indicated; interrupted |
The policeman said the accident last night______careless driving, so much money________be paid by the driver.
| A．was due to; was due to |
| B．due to; was due to |
| C．is due to; was due to |
| D．is due to; was due to |
The matter________your study surely requires________carefully.
| A．relating to; dealing with |
| B．related to; dealt with |
| C．related to; being dealt with |
| D．relating to; having dealt with |