Polly said that he did everything ______ she could to comfort his sister who cried after being refused by Harvard.
| A．what | B．which | C．when | D．that |
It was the soldier did at the spot of the accident, not what he said, moved all the citizens of the whole city.
| A．that; what | B．what; that |
| C．that; that | D．what; which |
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 |