g) 6. Talk to a partner and answer the questions. 1) Why is water pollution dangerous for people? 2) Discuss the following statement: "A nation that destroys its soils destroys itself". How do you understand it? Do you agree or disagree with it? Give your reasons. heavy industry (coll.) traffic (n.) water pollution (coll.) soil pollution (coll.) cattle overgrazing (coll.) glacial melting (coll.) flooding (n.) mudflows (n.) landslides (n.) population (n.) pollution (n.) disappearance (n.) researcher (n.) degradation (n.) safety (n.) increase (v., n.) damage (n.)

1. I hard, so I felt very tired.

a) had worked  - if you want to emphasise that the job had been finished before you felt tired

c) had been working  - if you want to say that performing some work made you tired

2. I my money into real estate.

b) have invested - if you mean that it's going give you profits

a) invested - if it happened some time ago and there's no connections to present situations

3. We alreadythe goods when your telegram arrived.

 b) had shipped  

4. The invoice by the end of the week so we sent them a strong reminder.

 c) hadn't arrived

5. I nothing on the Internet this month.

a) have bought  

6. This strategy seems to be good. Sales of our products for some time.

b) have been increasing

1. I hard, so I felt very tired. c) had been working
2. I my money into real estate. a) invested b) have invested c) invest все 3 подходят
3. We the goods when your telegram arrived. b) had already shipped
4. The invoice by the end of the week so we sent them a strong reminder. c) hadn't arrived
5. I nothing in the Internet this month. a) have bought
6. This strategy seems to be good. Sales of our products for
some time. a) have increased b) have been increasing оба
7. The price of petrol down by about 1%. a) had gone b) has gone оба
8. Markat a company for seven years before he started his own business. g c) had been working
1. b) has been paid
2. b) will be signed
3. a) was left
4. a) is sold
5. a) was being signed