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:2. Put 3. Find 4. take 5. Fix 6. Fix
Explanation:
Answer:
It would convey that it was <em>actually</em> written by one
Explanation:
Answer:
I won't be able to come away from the office before 7.