II. Open the brackets. Remember that you should use the rules of the Sequence of Tenses. Example: I invited her. (Peter didn't know that ...)
Peter didn't know that I had invited her.
1. He is reading the book «Tom Sawyer». (He said ...)
2. People have not travelled to Mars. (Peter answered ...)
3. She can speak Italian very well. (Father said ...)
Sow
4. He played the violin. (Mike didn't know ...)
5. Liz was listening to my iPod. (She said.
6. I like an ice-cream. (She said ...
7. Mary has never been to an opera. (I understood ...)
8. He think I have met him once before.(Helen said ...)
9. I have never seen such a beautiful beach. (Mary knew ...)
10. Our teacher has asked niy parents to help him. (Mary told me that ...)​

1. I went to the cinema yesterday. 2. I was going to the cinema

at four o'clock yesterday. 3. I was going to the cinema when you met

me. 4. I was doing my homework the whole evening yesterday. 5.

I didn't do my home work yesterday. 6. She was doing homework

when mother came home. 7. He did home work yesterday.

8.My sister didn't play the piano yesterday. 9. I was writing a letter

to my friend when you rang me. 10. My friend wasn't playing the

piano at four o'clock yesterday.​

Объяснение:

Подсказки, что нужно использовать Past Continuous:

- at ... o'clock (указание конкретного времени)

- when (совершается продолжительное действие + указывается обычное действие в это время)

- the whole

1) Using drugs and alcohol is the antisocial behavior of people. To prevent these activities it is necessary to educate and bring up young people and adolescents, tell them much more about the dangers of these substances to human health and teach them to lead the healthy way of life. - Употребление наркотиков и алкоголя является асоциальным поведением людей. Чтобы предотвратить эти явления нужно воспитывать молодежь и подростков, больше рассказывать им о вреде этих веществ для здоровья человека и о здоровом образе жизни.
2) I think that the severe penalties and other legal measures can stop anti-social behavior. The government should develop effective measures and discuss them with the teenagers and their parents. - Я думаю, что жестокие штрафы и другие легальные меры могут остановить асоциальное поведение. Правительство должно разработать действенные меры и обсудить их с молодежью и их родителями.
3) I believe that young people should organize various clubs and movements and learn to have a good time without drugs and alcohol. The leaders of these youth movements should become the real examples for the rest youth of the country. -  Я считаю, что  молодые люди должны организовывать различные клубы и научиться хорошо проводить время без наркотиков и алкоголя. Лидеры этих молодежных движений должны стать примеров для остальной молодежи страны.