Задание
Choose the future perfect or the future perfect continuous.
1. By the time dad gets to the airport, we ______ for over three hours!
- will have been waiting
- will have waited
2. Since you’ll be arriving late for the meeting, we _____ most of things by the time you come.
- will have already covered
- will have been covering
3. Next month, Anthony _____ Spanish at this school for 30 years.
- will have taught
- will have been teaching
4. By the time she retires next month, James _____ 5 years as a receptionist in the hotel.
- will have been spending
- will have spent