Which version of the sentence uses commas correctly? O 1. The speaker an official from the town, promised residents, the roads would be fixed.
2. The speaker an official, from the town promised residents, the roads would be fixed.
3. The speaker, an official from the town, promised residents the roads would be fixed.
4. The speaker, an official from the town promised, residents the roads would be fixed.

answer: c.   like someone who knows how to behave in public

b. his ability to use formal language to stress strong feelings

i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )

to eliminate ambiguous remote or broad reference it is necessary to focus on anaphoric reference. by definition "anaphoric reference means that a word in a text refers back to other ideas in the text for its meaning." the references should be clear and leave no room for ambiguity.

in the first case the pronoun it probably refers to the car but it has not been mentioned before so we should replace it for the car. in doing so the statement becomes clear.

in sentence number   two   the pronoun he refers to charles dickens the author. yet, the first half of the sentence is about the book a tale of two cities. to repair this it would be better to rephrase the first half : after i read   a tale of two cities by dickens, he so as to remove the remote reference.