Dick is not old, but he does not have much hair. His wife  Emma has thick, beautiful and black hair. They have a son. His name is Peter, and he is five years old. Today Dick is reading a book in his study. Peter looks at his father for a long time and then asks his mother, "Why does Papa have so little hair, Mama?" Emma laughs and says, "He has little hair becauseThe food looks good but  _    bad. he thinks a lot. He's a very clever man." Peter looks at his mother's thick hair for a few seconds and then laughs, "Then I know why you have so much hair." Emma has   _   hair.
short no thick long