Поставьте следующие предложения в отрицательную форму: 1) in august we shall buy two new models. 2) they accepted our offer. 3) the hotel will be very expensive. 4) they had a meeting on tuesday.

3 the hotel will be very expensive

1. He (studied) better than his father (had done). 2. They (spent) their vacation last year at the same village where they (had lived) many years before. 3. When we ( came) she had already ( sent) the children away and (was free) to speak to us. 4. Yesterday I (bought) a new watch as I (had lost) my old one. 5. He (took) the boy to the door by which he himself (had entered) the room. 6. He ( opened) his eyes, then ( looked) around and (thoght) for some time, trying to remember what (had happened) to him. 7. After they (had travelled) in the Caucasus they (decided) to make a sea voyage. 8. After they (had gone) at last I (went) to bed. 9. He (ate) all the cakes after we (had told) him not to do it. 10. The day after the party he ( asked) why we (had left) so early.

Over 1,800 kilometers that separate the southern border of Kazakhstan from the north, followed by several landscape zones: steppe, steppe, semidesert and desert. In the west, the territory of Kazakhstan borders the Caspian Sea in the east - the taiga Altai, and in the south - with the high peaks of the Tien Shan. The lowest point - Karagiye on Mangyshlak (132 meters below sea level), the highest - Khan Tengri peak in the mountains (7000 meters above sea level). Three major rivers - Irtysh, Tobol and Ishim - carry their water in the Arctic Ocean, the other Kazakh rivers empty into inland water bodies: the Caspian Sea, the Aral Sea, Balkhash, or simply spread out over the steppe or desert. The western part of Kazakhstan is almost entirely flat, and the east - mostly mountainous, besides such as the high mountains of the Tien Shan and Altai, considerable space is occupied Tarbagatay Saur, Kazakh low hills, Kokshetau hill.
In Kazakhstan, grows more than six thousand plant species (of which 515 - only here), its open spaces can be found about 500 species of birds, 178 species of mammals, 49 species of reptiles, 12 species of amphibians, and in the rivers and lakes - 107 species of fish.
The diversity of invertebrates is still more alone insects live here for at least 30,000 species, and besides them - a few thousand species of mollusks, worms, spiders, crustaceans, and others. Думаю вот так...