15. He hasn't gone to the theatre, a. have heb. has hec. hasn't hed. had he​

b. has he

Объяснение:

1) a) Nobody knows when this fact was discovered.

   b) Christopher Columbus disocvered America in 1492.

2) a) 'Battle of the Books' was written by him too.

    b) Jonathan Swift wrote 'Gulliver's Travels' in the eighteenth century.

    c) Who built the Tretyakov Gallery in Moscow?

3) a) A lot of strange animals were painted on the wall. We couldn't see all of them.

    b) Mr Woodriff painted very good portraits when he was younger.

4) a) Mrs Pitkin didn't show me her garden when I came to visit her.

    b) The small island is not shown on the map.

5) a) It was built to make the telephone and television system of the British capital better.

    b) The Post Office Tower in London was built in 1964.

At the beginning of his career, Nursultan Nazarbayev worked
stolevarom-metallurgist. December 1, 1991 by a vote of Nursultan Nazarbayev was elected President of the Republic of Kazakhstan. Through perseverance and the great efforts he became the first President of our country.
Nursultan Nazarbayev has done a lot for our country. Thanks to him, in our country there were symbols of independence: coat of arms, national anthem and flag. He created the People's Democratic Party "Nur Otan" and also introduced the use of the national currency - tenge. Nursultan Nazarbayev's merits before the people are invaluable. Kazakhstan to independence did not appear on the world map as a separate country, only because Nazarbayev whole world knew about him and our people. Thanks to Nursultan in our country there is such a city as Astana.