PRACTICE QUIZZES (Units 1 & 2)

PRACTICE QUIZ UNIT 1:
http://www2.cambridge.org/interchangearcade/listtypes.do?level=1&unit=1&stage=1

PRACTICE QUIZ UNIT2:
http://www2.cambridge.org/interchangearcade/listtypes.do?level=1&unit=2&stage=1