1
1. Many wildlife habitats will be destroyed, if man keeps polluting the environment.
2. If we dump all sorts of chemicals into rivers, we will not be able to swim in them in the future.
3. If we do not stop cutting down so many trees, we will be endangered our oxygen supply
2
1. If another student asked to copy my homework, I would say «No».
2. I would call the police, if I lost in the forest at night.
3. If my mobile phone fell in the toilet, I would ask some help.
3
1. If the government had given more money to the factory, it would not have been closed.
2. If we had listened to the weather-forecast, we would have known it was going to rain.
3. If you had prepared for the exam, you would have passed it.
4. If Bill had seen the house, he would not have bought it.
a) 1. Anna has lived in London since 1985. She works in a Bank. She's been working there for three years.
2. Bill always wanted to visit Brighton. He has read many books about this resort.
3. - The Browns haven't built their new house, yet.
"How long have they been building it?"
"They've been building it for two years.
4. I haven't seen you for ages. Where were you? Where were you hiding?
I'm writing a book about my adventures.
I've been writing it for 1.5 months, so I've been living in my summer cottage since May.
b) 1. What's the weather like in Los Angeles today? - It's hot and sunny.
It's a fine day to go to the seaside, to swim and sunbathe.
2. How long does it rain? It's been raining for three days. It's windy, wet, and cloudy outside. We have got autumn weather.
3. What was the weather like in Moscow yesterday?
It was snowing, and the temperature was 10 degrees below zero, but it was sunny.