few/ a few, little/ a little

http://oud.digischool.nl/en/grammatica/fewlittle-vraag.htm
http://www.reypastor.org/departamentos/ding/suro/grammar/quantifiers/quantifiers_3.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1257
http://www.englishexercises.org/makeagame/viewgame.asp?id=1979
http://www.english-test.net/esl/learn/english/grammar/ei080/esl-test.php