C: the correct item. 13 Water pollution can wipe out fish and plant species. 14 I can’t make out what it says here. 15 Acid rain poisons trees and plants. 16 Solar power can be used to heat homes. 17 Can I join the Eco-helpers club? D Complete the sentences using the Present Perfect Continuous
18 He has been studying the environment for over ten years. 19 We have been working hard to build nesting boxes. 20 It has been raining for two days. 21 He has been donating money to Greenpeace for a long time. 22 The government has been trying to reduce pollution for years. 23 I have been volunteering to clean out ponds for a year now! E Fill in the question tag.
24 Camels live in the desert, don't they? 25 Sarah didn’t collect the cans and newspapers, did she? 26 Sarah has called her mum, hasn't she? 27 Gorillas are amazing animals, aren't they? 28 It can’t be true, can it?
I think all people wonder from time to time what they would do if they had a million dollars. I have asked myself that question too and decided it would be wise to divide this million into several parts. First of all I would give one part to my parents and grandparents to improve their health. Then I would save a quarter of the money for my higher education and travel, and I would definitely donate some part of my million to charity. As for the remaining money, I would deposit it at a bank at some interest and later use it to buy a house for my future family.
13 Water pollution can wipe out fish and plant species.
14 I can’t make out what it says here.
15 Acid rain poisons trees and plants.
16 Solar power can be used to heat homes.
17 Can I join the Eco-helpers club?
D Complete the sentences using the Present Perfect Continuous
18 He has been studying the environment for over ten years.
19 We have been working hard to build nesting boxes.
20 It has been raining for two days.
21 He has been donating money to Greenpeace for a long time.
22 The government has been trying to reduce pollution for years.
23 I have been volunteering to clean out ponds for a year now!
E Fill in the question tag.
24 Camels live in the desert, don't they?
25 Sarah didn’t collect the cans and newspapers, did she?
26 Sarah has called her mum, hasn't she?
27 Gorillas are amazing animals, aren't they?
28 It can’t be true, can it?
I think all people wonder from time to time what they would do if they had a million dollars. I have asked myself that question too and decided it would be wise to divide this million into several parts. First of all I would give one part to my parents and grandparents to improve their health. Then I would save a quarter of the money for my higher education and travel, and I would definitely donate some part of my million to charity. As for the remaining money, I would deposit it at a bank at some interest and later use it to buy a house for my future family.