11.She is old enough to work by herself.

12.The boy is intelligent enough to understand you.

13.Mai is good enough to pass the examination.

14.The story is short enough for us to read it in one hour.

15.The film was good enough for us to saw it through.

16.The play was amusing enough for them to enjoy.

17.It was too late for the children to see the display of the firework.

18.Your brother is too young to go swimming.

19.The sound is too low for us to hear.

20.This book is too difficult for me to rea