Here are some websites to help you with unit one:
Numbers:
http://www.members.iinet.net.au/~adelegc/vocab/numbers/numbers.html
http://www.manythings.org/wbg/cardinal_numbers-jw.html
http://www.manythings.org/wbg/cardinal_numbers-sw.html
Verb to be in simple present:
http://learn-english-online.org/Lesson1/Work/Introductions1.htm
http://www.bradleys-english-school.com/online/flashmultiplechoice/mc_amisare.html
http://www.bradleys-english-school.com/online/cloze/amisare.html
http://www.members.iinet.net.au/~adelegc/grammar/present_simple/to_be.html
Indefinite articles:
http://www.members.iinet.net.au/~adelegc/grammar/articles/articles1.html
Days of the week:
http://www.members.iinet.net.au/~adelegc/vocab/days/days.html
