Exercises - much and many

http://www.ego4u.de/de/cram-up/vocabulary/much-many/exercises

http://www.ego4u.de/de/cram-up/vocabulary/much-many/exercises?02

http://www.ego4u.de/de/cram-up/vocabulary/much-many/exercises?03

http://www.ego4u.de/de/cram-up/vocabulary/much-many/exercises?04

http://www.kico4u.de/english/uebungen/5klasse/much.htm

http://www.kico4u.de/english/uebungen/mengen/mumany1.htm