How many practical means for controlling noise does the author present?
A. one
B. two
C. three
D. four
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The press mocked his attempts to appeal to young voters.
A. ridiculed
B. entertained
C. ignored
D. drew
The rioters headed downtown, ______they attacked city halL
A. since
B. as
C. whereupon
D. yet
Any negative statements and accusations made should be______and forthrightly answered, preferably at the level on which they originate.
A. promptly
B. thoroughly
C. punctually
D. exactly
Mistakes that would be impossible to make in the Indian languages are______.
A. punctuation errors
B. spelling errors
C. incomplete sentences
D. inappropriate word choice