Miss Jones ________ music at Bardon School for five years when she was abroad and now she is an actress.
| A．had taught | B．has taught | C．taught | D．has been teaching |
The professor spoke very clearly to make his speech ___.
| A．understood |
| B．understand |
| C．understanding |
| D．to understand |
Her ___ look suggested that she was completely ___.
| A．puzzled; confused |
| B．puzzling; confusing |
| C．puzzled; coufusing |
| D．puzzling; confused |
“Bill, keep the things ___ here secret,”said the manager after meeting.
| A．discussed |
| B．being discussed |
| C．to be discussed |
| D．having been discussed |
It is one of the funniest things ___ on the Internet so far this year.
| A．finding |
| B．being found |
| C．to find |
| D．found |
According to the driver’s explaination, it was not his carelessness but the bad road conditions that ___ for the accident.
| A．was to blame |
| B．was to be blamed |
| C．were to be blamed |
| D．were to blame |