Question

АНГЛИЙСКИЙ,исправить ошибки в предложениях,кроме 1 и 2

Answer 1

3. Mary was studying when I arrived.
4. When did you send the e-mail?
5. Have you ever seen this movie?
6. When the guests arrived I had already cooked dinner.
7. I didn`t understand what you had said.
8. When I reached the airport the flight had already left.