Answer:Formal and Informal Sentence RewritesFormal * Original: What's up, Sally? Formal: How are you doing, Sally? * Original: Jim, can you please go out to get the children? Formal: Jim, would you be so kind as to retrieve the children from outside? * Original: The performance was wonderful. Formal: The performance was exceptional. * Original: Yours truly, Formal: Sincerely, * Original: I'm okay. Formal: I am well.Informal * Original: How are you doing, Sally? Informal: What's up, Sally? * Original: Jim, would you be so kind as to retrieve the children from outside? Informal: Jim, can you go get the kids? * Original: The performance was exceptional. Informal: The show was awesome! * Original: Sincerely, Informal: Yours truly, * Original: I am well. Informal: I'm okay.