-Alvin, are you coming with us?
-I'd love to, but something unexpected __________.
| A．has come up | B．was coming up |
| C．had come up | D．would come up |
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 |
_____ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack |
| C．Because of lack | D．Lack |