Стр. 87, упр.1

Lave Aid concerts aim was to collect money for poor people of Ethiopian provinces. And they were a real success.

Стр. 87, упр.2 Listening.

Стр. 88, упр.3 a) Listening.

Стр. 90, упр.3 b),c) After listening exercises.

Стр. 90, упр.4 a)

The change of the structure doesn't change the meaning.

Стр. 90, упр.4 b)

Participle I = Ving (has a passive meaning)
Participle II = V3

Стр. 90, упр.4 c)

One of the sentences is crossed out because the subject of the participle clause doesn't relate to the subject of the main clause. So this participle clause is misrelated.

Стр. 91, упр.5 a)

Generally speaking, people should take immediate actions to save the Earth. Judging from the statistics, more and more forests are destroyed every year. Considering the human impact on the environment, very few people in the world are really worried about the future of the planet.
Supposing there was no fresh water, how would humanity alive? Taking everything into consideration, our future looks very sad.

Стр. 91, ynp.5 b)

I absolutely agree with the statements above.

Стр. 91, упр.6 a)

Watching the sun goes down, I like everyone of us. I'm just a dreamer dreaming of better days. I'm just a dreamer dreaming my life away. I'm just a dreamer searching for the way.

Стр. 91, упр.6 b) Listening.

Стр. 91, упр.7

If live Aid events were held this year, I would like to go. Especially if Lady Gaga, Lana Del Rey took part in such an event.