In your notebook, complete the sentences with the words in the box. There are two extra words. all are do does has is it's what 1 It's the gases from industrialisation that have caused the greenhouse effect. 2 What scientists is analyse air that's 800,000 years old, trapped under the ice in Antarctica. 3 Never | Focus 4. Second Edition. Student's Book | 4/122

all are do does has is it's what

Wstawione wyrazy zaznaczono pogrubioną czcionką:

1. It's the gases from industrialisation that have caused the greenhouse effect.

2. What scientists do is analyse air that's

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