We went right round to the west coast by __________ sea instead of driving across _________ continent. 
| A．the … the | B．/ … the | C．the … / | D．/ … / |
The subject________ he is interested is English.
| A．which | B．in which |
| C．at which | D．that |
My father is hard ______ me.
| A．to | B．with | C．of | D．on |
Upon _____ at the airport, we were given a warm welcome by the people there.
| A．arriving | B．arrive |
| C．we arrived | D．arrived |
The old man is ______ the big company.
| A．in the charge of | B．in charge of |
| C．take charge of | D．take the charge of |
This morning, she got up early ______.
| A．than usually | B．than usual |
| C．as usual | D．as usually |