3. http://englishgrammarsecrets.com/presentcontinuous/exercise3.html (this
exercise puts ‘true in life’ and ‘different from regular’ together as ‘true at the
moment but not always´)
sentence completion with present continuous:
http://englishforeveryone.org/PDFs/Level_2_Sentence_Completion_1.pdf
http://englishforeveryone.org/PDFs/Level_2_Sentence_Completion_2.pdf
Comparison Present Simple and Continuous – exercises
http://www.ego4u.com/en/cram-up/grammar/simpre-prepro#exercises
http://englishgrammarsecrets.com/presentsimpleorcontinuous/menu.php