Нужна с Total English pre-intermediate students book 8.1 ex2,3,4

1.By half past eight they (will not have had) supper yet.
2.The birds (will have flown) away before winter comes.
3.In five years' time we (will  have finished) school.
4.By this time next week Jack (will have taken) his exam.
5.I hope it (will have stopped) raining before we have to go.
6.I don't think my parents (will have bought) a computer by the end of the week.
7.George (will not have memorized) al the idioms by Friday.
8.The Rogers (finish) building their new cottage before summer.
9.The party (will not have started) before we get there.
10.He (will not have come) back by supper time.

Once on the planet Earth rhinos were found in large numbers. In 1876, in India the award was received by he who destroyed the Rhino. Were adopted the whole program for the destruction of rhinos. On the instructions of the government of Kenya in 1947-1948, the representative of Albion hunter hunted rhinos intentionally. Now the population of rhinos on Earth has decreased significantly. And it's amazing animals — large, powerful, because of its huge power which has almost no enemies. Black, white, Indian (or armoured), Sumatran, Javan rhinos five species of giants living on our planet. Their appearance varies, habits, and habits also. The Indian Rhino's one horn, and Sumarokovo two. The horns of rhinos are fundamentally different from the horns of other animals. They are not attached to the skull, and a thick and smooth skin, as a consequence, the loss of the horns – not painful on the old place the new grow. The horns of rhinos grow life.