Ответы
1 will have gone
2 will have read
3 will have finished
4 will have used
5 will have discovered
6 will have saved
7 will have passed
8 will have received
9 will have translated
10 will have finished
11 will have been
12 will have gone
1. If you come at 10.30 Ann will have gone to bed
2. By the end of this month I will have read all Agatha Christie's detective novels
3. They will have finished lunch by two o'clock
4. In about fifty years, man will have used up most of the world's oil supplies
5. By 2100 scientists will have discovered a cure for AIDS
6. We will have saved more than £100 by the end of the year
7. John will have passed his exams by the end of June
8. By then we will have received their answer
9. I certainly will have translated your essay by that time
10. I hope I will have finished by four o'clock
11. Tomorrow the girls will have been here for a month
12. All the good bargains will have gone if you wait until next week