When prewriting, you want to ask yourself the 5 W's. They are Who, What Where, When, and Why.
Hope this helps.
Answer:
All of them are correct except C and F
The answer to C is <u>to</u>
The answer to F is <u>at</u>
Explanation:
Sentence C:
Sue, I'd like to introduce you <em>to </em>Edward Jones.
Sentence F is:
Are you laughing <em>at</em> my mistake?