35 баллов помогите,пожалуйста :D Open the brackets to make the sentences complete. 1.By half past eight they (not,have) supper yet. 2.The birds (fly) away before winter comes. 3.In five years time we (finish) school. 4.By this time next week Jack (take) his exam. 5.I hope it (stop) raining before we have to go. 6.I dont think my parents (byu) a computer by the end of the week. 7.George (not,memorize) al the idioms by Friday. 8.The Rogers (finish) building their new cottage before summer. 9.The party (not,start) before we get there. 10.He (not,come) back by supper time.

1. wont have had
2.  will have flown
3. have finished
4.  will have taken
5.  will stop
6.  will buy
7. wont have memorized
8.  will have finished
9.  wont have started
10.  wont have come