1 Hello. I think we've met before, haven't ? 2 We don't have to help them; they've found a solution . 3 He had to give his personal details on the visa application form. 4 He had to give his personal details . 5 My brother and are both interested in economics. 6 They've bought the new iPad for her birthday. 7 Our graduation party was brilliant. Everybody really enjoyed . 8 He studied architecture so he designed his house . 9 Shop assistant: 'Who's next, please? Customer: ' – I'm first in the queue.' 10 I ignored him and told not to listen to him in the future.

3. If she were not so absent-minded, she would be a much better student.  

4. If my sister does not go to the south, we will spend the summer in St Petersburg together.  

5. If they had not gone to Moscow last year, they would not have heard that famous musician.  

6. If you do not get tickets to the Philharmonic, we shall stay at home.  

7. If you were not so careless about your health, you would consult the doctor.  

8. I should be delighted if I had such a beautiful fur coat.  

9. If it rains, we shall have to stay at home.  

10. If he had worked hard, he would have achieved great progress.  

11. If it is not too cold, I will not put on my coat.  

12. I would have written the essay long ago if you had not disturbed me.  

13. If he did not read so much, he would not be so clever.  

14. If my friend is at home...

Answer

Объяснение:

a: Do I have to bring a tent?

b: No, you don't have to bring a tent. You can use mine.

a: Do I have to pay for using it?

b: Of course, not. You can stay with me for free.

a: Do I have to cook?

b: No, if you don't want to cook, you don't have to do it.

a: Do I have to wash my clothes?

b: Yes, you have to wash your clothes.

a: Do I have to clean around the tent?

b: Yes, everyone has to clean around their tents.

a: Do I have to have a camp stove?

b: No, you do not have to have a camp stove.