The girls have dolls.my cousin has a pen. the women have flowers.

Девочка имеет куклу. мой кузин имеет ручку, женщина имеет цветы

6. merry - merrier -  the merriest

7. interesting - more interesting - the most interesting

8. pretty - prettier - the prettiest

9. fat - fatter - the fattest

10. expensive - more expensive - the most expensive

Короче, more ставится тогда, когда в слове больше 1 - го слога ( хотя в английском языке нету понятие СЛОГИ, просто в звучание должно быть больше 1 слога ). А вот когда 1 слог, то тогда ставится er или eir (если слово оканчивается на -y.
Most тоже ставится по тому же принципу. Но в Superlatives всегда ставится the перед глаголом или частицы. Без него предложение является грамматически не правильным.

1. what time is the train leaving? 2. where are you working nowadays? 3. what tome does ken get home after work? 4. it's amazing how many people are eating far too much. 5.  oh, dear, this milk tastes awful.6. what does this word means? 7. she is staying  with her sister at the moment  until she will find somewhere to live. 8. joe wants to be a pilot when he grow up. 9. he is catch the  bus to school every morning. 10. i never watch tv in my free time. 11. my father is an old man now. 12. give my love to steve if you will see him. 13. how many languages do you speak? 14. a car mechanics uses a spanners. 15.  the number of people without jobs are increasing  at the moment.16. do you believe in god? 17. i think it would be a good idea to leave early. 18. what do you think about?   you look so disappointed. 19.  give me this book, please. i need it at the moment.20.  this computer belongs to me from this very moment.