attest
A. to prove
B. to arrest
C. to attend
D. to progress
cosmos
A. custom
B. system
C. universe
D. Course
slum
A. a piece of ground going up or down
B. a city area of dirty, poor living condition
C. an area of soft wet land
D. the entire tract of country drained by a river
perception
A. understanding
B. conception
C. entrance
D. Percentage
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