The plural form of "citizen" is "citizens" or "people of such and such place"
All of the answers above are correct except:
<span>d. increased productivity
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When long-term stress strikes, a person may feel the negative symptoms of the disorder which are evidenced by all of the three answers; whereas the last answer seems to be a positive effect.
The sentence that uses the past participle form of the verb write is the second sentence: Ali wrote his book report last night.
