Ответ:

  1. Nadia is so bossy. She never listens to anyone and does all she wants. — «Властная».
  2. Tom doesn’t care about other people’s feelings. He is insensitive. — «Бесчувственный».
  3. Nicky has a lot of friends because he is very sociable. — «Общительный».
  4. He is the son of my mother’s sister. He is my mother’s nephew. — «Племянник».
  5. We were waiting for the concert to begin. — «Мы ждали начала концерта».
  6. He never smiles. He is so miserable. — «Он такой несчастный/угрюмый».
  7. When Lily told her colleagues that she was leaving the company, they decided to buy her a present. — «Коллеги».
  8. I missed the lesson yesterday and called my classmate to know the home task. — «Одноклассник».
  9. She is my uncle’s wife. She is my aunt. — «Тётя».
  10. You can trust Mary. She is reliable and she never tells your secret to anybody. — «Надёжная».