Read the text first; then add the missing comparatives and superlatives.

Jack is 30. Mary is 28. Jack and Mary are married. They have three children. Dolly is 5. Marc is 3. Dan is 1.
   older      older      oldest      younger      younger      youngest  
  1. Dolly is than her brothers, but than Jack and Mary.
  2. Marc is than Dan, but than Dolly.
  3. Jack is the member of the family, Dan is the .