183. The commentator characterized the electorate as ______ because it was unpredictable and given to constantly shifting moods.
A. mercurial
B. corrosive
C. disingenuous
D. implacable
E. phlegmatic
184. Many paintings of the American Southwest convey a feeling of isolation and loneliness that mirrors the ______ landscape they depict.
A. lush
B. sprawling
C. desolate
D. gaudy
E. monumental