1. Where does Space begin, from our point of view? 2. Who are Earthlings? 3, Why would humans not be able to breathe in Space? 4. Why does Space look black and not blue? 5. What is a vacuum? 6. What is there in the 'emptier' parts of Space? 7, What is there in more crowded areas of Space? 8. Which is the biggest: a planet, a star or a galaxy? 9. How big is Space?, 10. How do we measure distance in Space? 11. When did the Big Bang happen? 12. What are astronomers not sure about? 13.What is the big question, according to this author?
Maria: What are you doing this evening? Shall we go out ?
Rosa: Not this evening. I 'm going to work on a project until late.
Maria: And when do you think you will be free for a drink?
Rosa: I don't know. I have my diary here with me; let me see. What about tomorrow? Are you doing anything?
Maria: I 'm seeing my dentist tomorrow. Is Thursday OK?
Rosa: Yes, Thursday is perfect.
Maria: OK. What time shall we meet ?
Rosa: I am meeting a friend at 6. Is 7 OK?
Maria: Yes, great. But I don't have my car.
Rosa: Don't worry, I will take mine. Shall I pick you up at 7 then?
Maria: OK, thanks.
2 Did they have to go to school on Saturday? Yes, they had
3 Will he be able to Italian in two months ? No, he won’t
4 Are they going to meet him? No, they aren’t
5 Must she take these pills? No, she mustn’t
6 Will she have to write the exercise? No, she won’t
7 Could he swim last summer? No, he couldn’t
8 Does she have to wear a uniform? Yes, she has
9 Will she be able to make sandwiches tomorrow ? Yes, she will
Ex.2
1 Is rabbit hopping now?
2 Are children swimming now?
3 Are you reading a book now ?
4 Is Dave riding his bike now?
5 Are we planting some seeds now?
6 Is she giving you a rubber now?