I am not positive of your question but if you are asking what is the way to make your sentences differ from one another. Transitional verbs such as then, therefore, another argument, etc.
Answer:
You didn't attach or put any picture
I think Nick’s narration make us feel that Gastby is an unreliable character
The word that best fits the blank part of the statement is 'ask'.
<span>I will ask John if he knows the address.
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The answer is a, ababcdcd