Ответ:

Вставляем has с подлежащими в единственном числе (Ben, She, My friend) и have — с We, They, You.

  1. Ben has short dark hair.
  2. We have computer games.
  3. She has long fair hair.
  4. They have a nice cat.
  5. My friend has brown eyes.
  6. You have a funny dog.