1 it is i____for us to know what will happen in the future

1 it is i____for us to know what will happen in the future
2 he said he ws_____(terrible)ill
3 I___(quick)left the room when I saw the teacher coming up
4 how many floors___the building ___?(have)
5 he thought that computes _____(be)used by most people in 100 years.
6 I have a lot of homework_____(do).
7 At first I __english hard,but I understand some .(find)