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 don't 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. won't have had2.  will have flown3. have finished4.  will have taken5.  will stop6.  will buy7. won't have memorized8.  will have finished9.  won't have started10.  won't have come