. Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
| A．on | B．from | C．by | D．in |
Soon after the mud-rock flow hit Zhouqu, Gansu Province, many soldiers came to the ______ as many people were trapped underground.
| A．shelter | B．identity | C．rescue | D．disaster |
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 |