Ответ:
the students went on strike but not the teachers
1. works
2. am writing
3. Do you go to school on Saturdays?
4. don't
5. Are they playing the room now?
6. Where does he live? - He lives in a village.
7. Is he sleeping now?
8. read
9. are eating
10. helps
11. Do you play the piano well?
12. is dancing
She would be unhappy if he didn't love her.
<span>1. Jack hasn't lost his key. Has Jack lost his key?
2. Mary hasn't gone to Canada. Has Mary gone to Canada?
3. The Smiths haven't been to Italy. Have the Smiths been to Italy?
4. They haven't done their shopping. Have they done their shopping?
5. I haven't always wanted to travel abroad. Have I always wanted to travel abroad?
6. The schoolchildren haven't planted ten trees today. Have the schoolchildren planted ten trees today?
7. Jerry hasn't just talked to his friend. Has Jerry just talked to his friend?</span>