This post is dedicated to my niece. She has problems with these words. Why? Because the pronunciation is similar and because the use of "it" can be problematic for Spanish speakers, so you need a lot of practice:
1.Here is a good explanation and a first exercise
2.after reading it, you can do the following exercise
3.and after that, the next one
4.and finally, the last one
5.if you want to do more practice, there are lots of exercises on agendaweb
THE END
