In our class there are 50 students，half ___________ wear glasses．
| A．in whom | B．in them |
| C．of whom | D．of them |
My train arrive in New York at eight o'clock tonight. The plane I would like to take from
there ______by then.
| A．would leave | B．will have left | C．has left | D．had left |
Many workers were organized to clear away remained of the World Trade Center.
| A．those | B．that | C．what | D．where |
The organization broke no rules, but ______had it acted responsibly.
| A．neither | B．so | C．either | D．both |
A survey was carried out on the death rate of those who were infected by SARS,
________were surprising.
| A．as results | B．which results |
| C．the results of it | D．the results of which |
In recent years much more emphasis has been put______ developing the students productive
skills.
| A．onto | B．in | C．over | D．on |