Question

6 1.10 Complete the conversation with the correct form of the words in brackets. Use the Present Perfect or Present Perfect Continuous. Then listen and check. A How long ¹have you been studying (you/study) Biology? B|2 (not/study) Biology for long, only since I started high school. A What 3 B We4 A How many experiments 5 B So far, we 6 A B (you/do) in class recently? (do) projects and experiments with light and plants. (you/do)? (carry) out three experiments. (you/ever/think) of studying Biology at university? (not/cross) my mind. 19. (always/be) No, it 8 more interested in astronomy. 10 mission to Mars? It's fascinating. I 11 SpaceX website. A Yes, I 12 (hear) of it but | 13 (you/hear) about the (follow) it on the (not follow) it closely.
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Answer 1

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Объяснение:

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