Ответ:

Перевод задания: Вставьте he, she, it, we или they.

  1. a chair — it (это)
  2. a cat — it (это)
  3. my mother — she (она)
  4. his mother — she (она)
  5. mothers — they (они)
  6. my mother and I — we (мы)
  7. Alla and I — we (мы)
  8. Alla and Anton — they (они)
  9. a bird — it (это)
  10. birds — they (они)