. He knows nothing about it, so he can’t help _______ any of your work.
| A．doing | B．to do | C．being doing | D．to be done |
I was so familiar with him that I recognized his voice I pick up the phone.
| A．while | B．after |
| C．in case | D．the instant |
---How often do you call your parents?
---,but usually once a week.
| A．Forget it | B．Once in a while |
| C．It depends | D．I’ve no idea |
Though computers can do a lot of work man can’t do, they can’t completely _______ human beings.
| A．replace with | B．in place |
| C．take place | D．take the place of |
Can you think of some cases________drivers obviously knew the traffic rules but didn't obey them?
| A．where | B．why | C．as | D．Which |
Film has a much shorter history, especially when such art forms as music and painting.
| A．compare to | B．compared to |
| C．comparing to | D．having compared to |