Роскройте скобки , употребив глагол в нужном времени . 1)" Do you (want ) to go to the exhibition with us?" No, thank

1.\" Do you want to go to the exhibition with us?\" No, thank you I have been there twice and seen all the pictures. I first went there on the opening day.\" 2. What are you looking for? My keys, I am afraid I have lost them. 3. I have not read this book. What is it about? 4. What are you reading? A very interesting collection of short stories. 5. Is Nelly here? No, she has gone home. She left ten minutes ago. 6. Excuse me, who are you waiting for? Mr. Adams. He has not come yet, I am afraid. 7. We have been to Germany three times. We last went there a year ago. 8. Have a cigarette ? No, thank you. I have given up smoking. 9. I have made all my calls. We can go. 10. I am sorry. I have not brought your book. I left it at home.