The new buyer identified a dozen new sources for the material, ___________ proved to be reliable．
| A．most of them | B．most of which | C．most of whom | D．most of those |
The woman ________ car was stolen went to the police station.
| A．whom | B．which | C．who | D．whose |
--- Did you tell Jack the news?
--- Oh, I forgot. I______ him soon.
| A．will tell | B．am going to tell |
| C．am to tell | D．tells |
Mary is ill today. If she _____, she ____ here at school
| A．were not ill；would be |
| B．had been ill；wouldn't have been |
| C．were ill；should have been |
| D．hadn't been ill；could be |
All the preparations for the task _________, and we’re ready to start.
| A．complete | B．have completed |
| C．had been completed | D．have been completed |
_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
| A．Knowing | B．Known |
| C．To know | D．Know |