Ответ:

  1. This is an alien. These are aliens too.
  2. This monster is happy. These monsters are happy too.
  3. This is my boss. These are my bosses too.
  4. This is the dancing zombie. These are dancing zombies too.
  5. This is a white shark. These are white sharks too.
  6. This is ghost. These are ghosts too.

Ответ: см. решение