2. For each situation, write a sentence ending with never ... before. Use the verb in brackets.
1. The man sitting next to you on the plane was very nervous. It was his first flight.
(fly) He d never flown before.
2. Somebody sang a song. I didn't know it.
(hear) I
3. Sam played tennis yesterday. He wasn't very good at it because it was his first game.
(play) He
4. Last year we went to Mexico. It was our first time there.

About nature.I would like to tell you about the main ecological problems in our life.They are: littering, air pollution, water pollution, endangered species, destruction of natural resources and others.

People cut down forests, pollute air and water. They don't think about their future and about future of our planet. There are many endangered species in the world. We just destroy our nature. It is very bad and we mustn't do it. We must care of our beautiful nature. We must begin from our houses, streets and towns and do them clean. People must not cut down forests, pollute air and water. They must stop killing endangered  animals. We must save our planet!

Объяснение:

1. where did cleopatra live in egypt? cleopatra lived in alexandria which was the capitol of ancient egypt in her time.

2. who married lady diana? prince charles married lady diana spencer in 1981.

3. when did florence nightingale start working in a hospital? in the 1850s, during the crimean war.

4. when did abraham lincoln die? abraham lincoln died at 7: 22 am on april 15, 1865 at the age of 56. he died in a house across the street from ford's theater in washington dc where he was taken after being shot during a play the night before.