Many experts hold the view _____ teacher development is ____ the key to better education lies.
| A．which; where | B．which; in which | C．that; where | D．that; in 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 |
The man _______ you are going to make friends is my father’s neighbour.
| A．with whom |
| B．when |
| C．to whom |
| D．which |
The man _______ you talked just now is a worker.
| A．who |
| B．whom |
| C．to whom |
| D．to who |