___ we know, in a chemical change, energy cannot be created, ____.
| A．Which, nor can it be destoyed | B．As, neither it can be destroyed |
| C．As, neither is it able to be destoryrf | D．What, nor is destoryed |
The old temple _______ roof was damaged in storm is now under repair. (2010 .陕西)
| A．where |
| B．which |
| C．its |
| D．whose |
In fact the Swede did not understand the three questions _______were asked in French.
| A．where |
| B．who |
| C．in which |
| D．which |
He talked about a hero _______ no one had ever heard.
| A．of whom |
| B．from whom |
| C．about that |
| D．who |
The man _______ around our school is from America.
| A．which you showed |
| B．you showed him |
| C．you showed |
| D．where you showed |
The doctor_______ is leaving for Africa next month.
| A．the nurse is talking to him |
| B．whom the nurse is talking |
| C．the nurse is talking to |
| D．who the nurse is talking |