First Month (d)

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....http://www.montsemorales.com/gramatica/PastSimRegPdc.htm....

....http://www.kico4u.de/english/uebungen/6klasse/didinfrag.htm....

....http://www.englishgrammarsecrets.com/pastcontinuous/exercise4.swf....

....http://www.english-grammar-lessons.com/pastcontinuous/exercise2.swf....