Answer it all please

Dear Student,

Here is the solution:
11. In a few words she expressed gratitude to her benefactors.
12. He takes little interest in her.
13. There is little sense in what she says.
14. Few were the words she spoke.
15. When I met him a few years later, he looked old and frustrated.
16. He knows a little Latin and less Greek.
17. A little precaution is necessary in handling a new machine.
18. Few men can resist the temptation of gold.
19. She has read only a few books.
20. A few people live to be 100 and fewer still live to be 110.

Regards