Negative sentences

12345
Across
  1. 2. Karla is not a teacher, she is a (school)
  2. 5. I am not (of nationality)
Down
  1. 1. This is not a mouse, it's a (it is soft and meows)
  2. 3. We are not students of (English language)
  3. 4. This Animal is not clean brought the covid 19