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Which of the following sentences is written in the passive voice?

a. i would not provoke that man if i were you.
b. they considered their options.
c. the effects of cyanide are well known.
d. having left the building, elvis never returned.

2 Answers

4 votes
C. The effects of cyanide are well known.
User Domino
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5 votes
C.The effects of cyanide are well known
User Karan Gandhi
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