Every student and every teacher____ who it is that is_______ for the breaking of the door of the classroom.
| A．know; to blame | B．knows; to blame |
| C．knows; to be blamed | D．would know; blamed |
People often have this belief ______ development is bad for the environment, but this does not have to be true.
| A．that | B．which | C．where | D．how |
If we ______ the other road, we might have arrived here in time for the meeting.
| A．take | B．had taken | C．took | D．have taken |
Jessie, my best friend _______ me of some really bad things just to hurt me. I felt betrayed.
| A．accused | B．informed | C．reminded | D．warned |
twice a year, whether it is a car ,a bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．Being examined | D．Having been examined |
to his scientific research, the professor cared little about his family.
| A．Devoting | B．Devoted | C．Having devoted | D．To devote |