--- Would you mind if I smoked here?
---I am afraid…, but if you________.
| A．will | B．must | C．would | D．may |
_______ is well known is ________ the Diaoyu Islands have been part of China since ancient times.
| A．Which; that | B．That; which | C．What; that | D．That; what |
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 |