-Pity you missed the lecture on nuclear pollution.
-I __________ it, but I was busy preparing for a job interview.
| A．attended |
| B．had attended |
| C．would attend |
| D．would have attended |
At first I set out for the celebration with my friends together, but got _______ from them when we joined the big crowd.
| A．separated | B．united | C．divided | D．linked |
Copernicus’s theory is now the basis ______ all our ideas of the universe are built.
| A．to which | B．on which | C．for which | D．by which |
With a MBA degree from Harvard University, our boss takes a______ method to manage the company, which benefits everyone a lot.
| A．consistent | B．violent | C．scientific | D．Rough |
_______to sunlight for too much time will do harm to one’s skin.
| A．Exposing | B．Being exposed | C．Having exposed | D．Exposed |
— Can you lend me the book Gone with the Wind?
— Sorry. I returned it to the library just now. Maybe it is still ____.
| A．available | B．affordable | C．acceptable | D．valuable |