1. My name, Cynthia, is from a Greek word for moon.

ASimple sentence
BCompound sentence
CComplex sentence

  1. I was not surprised when I learned that.

ASimple sentence
BCompound sentence
CComplex sentence

  1. After all, I have always been a night owl, and I prefer moonlight to sunlight.

ACompound sentence
BSImple sentence
CComplex sentence

  1. The most popular girl's name WHEN I WAS BORN was Ashley.

AIndependent Clause
BAdverbial Clause
CNoun Clause

  1. I guess THAT ASHLEY WASN'T POPULAR IN OUR TOWN.

ANoun Clause
BIndependent Clause
CAdjectival Clause

  1. I DO KNOW THREE CAITLYNS, and my brother knows at least three Kaylas.

AAdverbial Clause
BIndependent Clause
CNoun Clause

  1. My middle name, Abigail, is the name THAT I LIKE BEST.

AAdjectival Clause
BIndependent Clause
CNoun Claus

Verified Answer :

  1. My name, Cynthia, is from a Greek word for moon.A. Simple sentence

    11. I was not surprised when I learned that.
    C. Complex sentence

    12. After all, I have always been a night owl, and I prefer moonlight to sunlight.
    A. Compound sentence

    13. The most popular girl's name WHEN I WAS BORN was Ashley.
    B. Adverbial Clause

    14. I guess THAT ASHLEY WASN'T POPULAR IN OUR TOWN.
    A. Noun Clause

    15. I DO KNOW THREE CAITLYNS, and my brother knows at least three Kaylas.
    B. Independent Clause

    16. My middle name, Abigail, is the name THAT I LIKE BEST. 
    A. Adjectival Clause

Answer:

10 A. Simple sentence


11.  C. Complex sentence


12. A. Compound sentence


13. B. Adverbial Clause


14. A. Noun Clause


15. B. Independent Clause


16. A. Adjectival Clause

Explanation: :D Have a great day!