The creation of an efficient and transport system is critical.
A. sustainable
B. changeable
C. adaptable
D. usable
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We need to an open exchange of ideas and information.
A. project
B. promote
C. propel
D. . provoke
The district is under consideration for designation as a area.
A. consolidation
B. protection
C. conservation
D. isolation
He has always been and fiercely competitive.
A. ambitious
B. determined
C. creative
D. brilliant
When heated , ice can be changed into water.
A. to a certainty
B. to a point
C. to a great extent
D. to a certain degree
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