Present Passive

https://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-present
http://www.englisch-hilfen.de/en/exercises/active_passive/sentences_simple_present.htm
http://www.learnenglishfeelgood.com/passive-voice-simplepresent1.html
http://www.agendaweb.org/exercises/verbs/passive-write-1