Look at the new computers, of ______ none are produced abroad.
A.them | B.whom | C.which | D.these |
The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.
A.to be based on | B.to base on |
C.which to base on | D.on which to base |
Many workers were organized to clear away remained of the World Trade Center.
A.those | B.that | C.what | D.where |
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 |