1、I couldn't speak yo the boss.He was _________busy.
2、I couldn't go out.It was _________cold for me to go out.
3、I could answer all the questions,They were___________easy.
4、Is that suitcase light ___________for you to carry?
5、Is your brother old ______________to be a member of our association?
6、They couldn't see that film.They were________young.