10. I have fewer story books than my sister does.
   She has more story books than I do.

11. I don't have as many music CD's as my friends do.
   I have fewer music CD's than my friends do.

12. My sister drinks less coffee than my brother does.
   My sister doesn't drink as much coffee as my brother does.

13. She eats more chocolates than I do.
   I eat fewer chocolates than she does.
   I don't eat as many chocolates as she does.

14. There is less rice in the bowl than there is on the plate.
   There is more rice on the plate than there is in the bowl.

15. He has more homework to do than she does.
   She doesn't have as much homework to do as he does.