_________ for his good skill,this doctor has a lot of visitors calling for help all the time.
| A．Knowing | B．To know |
| C．Known | D．To have known |
We could not even find the exit this woman had ______ us to.
| A．explained |
| B．requested |
| C．directed |
| D．pointed |
______ of the accuracy of the analysis, they decided to stick to their plan.
| A．Concerned |
| B．Convinced |
| C．Interested |
| D．Confused |
Before I walk through the detailed analysis, let me give you the _______
| A．comment |
| B．summary |
| C．information |
| D．emphasis |
This photograph looks funny. I think you forgot to ______ the camera.
| A．guide |
| B．aim |
| C．direct |
| D．focus |
We do not have enough money. ______, we cannot afford to buy the new car.
| A．However |
| B．Anyway |
| C．Therefore |
| D．Though |