Let's practise for the exam!

To practise Present Continuous and Present Simple separately:

http://www.servator.cat/servator_cat/eva/index_files/Grammar/gramindex.htm 

    To practise Present Continuous and Present Simple mixed:

1. http://www.englishpage.com/verbpage/verbs1.htm

2. http://www.ego4u.com/en/cram-up/grammar/simpre-prepro/exercises

3. http://www.ego4u.com/en/cram-up/grammar/simpre-prepro/exercises?ex03

4. http://www.englishexercises.org/makeagame/viewgame.asp?id=2332#a 

5. http://www.isabelperez.com/happy/tenses/exercises/present_6.htm

6. http://www.perfect-english-grammar.com/present-simple-present-continuous-2.html