The scientist __________ the experiment for half a year, but he _______ yet.
| A．made; didn’t succeed | B．made; hasn’t succeeded |
| C．was making; didn’t succeed | D．has been making; hasn’t succeeded |
During the construction of the Qinghai-Tibet Railway, 33 migration overpasses have been made_______for herds of Tibetan antelopes to go through their breeding grounds.
| A．admirable | B．available | C．abundant | D．appropriate |
We don’t know who ____ for the murder, but the policemen will tell us the truth soon.
| A．is to blame | B．is to be blamed |
| C．is blaming | D．is to be blaming |
Mrs. Black doesn’t believe that her son is able to design a digital camera, ______?
| A．is he | B．isn’t he | C．doesn’t she | D．does she |
Now that their parents are dead, the poor boy doesn’t know ________ the money they left.
| A．how to do with | B．what to do with |
| C．to do what with | D．how he will do with |
The woman ______ you met at my home was a teacher of English.
Which of the following is wrong ?
| A．whom | B．that | C．which | D．/ |