Task 1. Answer the following questions 1. How do Dolphins breathe?

2. What is a group of Dolphins called?

3. How do they find their way around the ocean?

Task 2. Read the text again, and decide if the sentence (1-5) are T (true), F (false) or DS (doesn’t say)

1. Cetaceans are a type of mammal. …

2. Dolphins use their blowholes to breathe underwater. …

3. Small pods are more common than large ones. …

4. Scientists found out that dolphins used ‘names’ in 2013. …

5. Martina has participated in studies about dolphin communication. …​

1 I haven`t cleaned my football boots2 They haven`t started their meal3 I haven`t done my homework4 He hasn`t won all his matches this year5 My brother a I haven`t seen any films this week6 It`s my birthday party today. I haven`t invited many people7 He hasn`t washed his hands. They`re very dirty8 Mum`s really angry. We haven`t tidied our room9 I can`t play with my friends thei evening. I haven`t finished my homework10 I haven`t visited New York for three years11 Where`s Alison? We haven`t seen her since yesterday.12 Dad hasn`t taken a holiday since Last August13 John hasn`t played the violin since he was in school.

1) I haven't seen him for ages.

2) He has been doing his lessons since lunch.

3) I haven't heard about him for a long time.

4) I have been driving since I was 17.

5) Jack has failed his driving test three times because he doesn't know how to park.

6) I think he has made a lot of improvement.

7) Alice hasn't passed her driving test because she doesn’t know the rules well.

8) She has been worrying about this for two months.

9) She has been studying the driver’s manual for hours every day.

10) She hasn't taken another test yet.

11) I have had a headache since I got up.

12) He is my friend, I have known him for a long time.

13) Ivan has a stomachacke. He has been eating junk food all day.

14) I have never heard that song before.