You never really understand a person _______ you consider things from his point of view.
| A．if | B．once | C．as | D．until |
The chief reason for the population growth is not so much a _________ in birth rates but a fall in death rates.
| A．shock | B．surprise | C．well | D．rise |
We then moved to Chicago in 1995, _____we lived for six years.
| A．when | B．where | C．that | D．which |
Anyone, whether he is a president or a bus driver, should be ___ respected.
| A．especially | B．reasonably |
| C．naturally | D．equally |
Only when I left my parents for Italy ________ how much I loved them.
| A．I realized | B．I had realized |
| C．had I realized | D．did I realize |
Tom was deeply struck by the beauty of Mary ________ he met her.
| A．at the first time | B．the first time |
| C．for the first time | D．at the first time when |