Как написать слова в множественной числе page notebook nationality?

Pages,notebooks,natonalites насчет национальности не уверен

1.they are in the school, aren't they?  

2.they aren't at home? are they?  

3.they do exercises, don't they?  

4.she can sing, can't she?  

5.he doesn't like soup, does he?  

6.there are a little bear, aren't there?  

7.it is a cake, ian't it?  

8.you will go to the cinema, won't you?  

9.you can't swim, can you?  

1. yes, i get up early.2. sometimes it's easy, but sometimes it's so hard.3. the alarm clock wakes me up.4. no,i don't.5. i prefer a cold shower in the morning.6. usually i have scrambled eggs, and a cup of tea  with a sandwich for breakfast.  7. sometimes i watch early news on tv.8. usually i leave house at 7: 45am.9. no, i don't work.10. i need about 10 or 15 minutes to get to my school.11. i go there on foot.