Streamline English．Connections：An Intensive English Course for Pre-intermediate Students Streamline English．Directions：An Intensive English Course for Upper Intermediate Students Streamline English．Destinations：An Intensive English Course for Intermediate Students Streamline English．Departures：An Intensive English Course for Beginners：Student's Edition An Intensive English Course for Pre-intermediate Students An Intensive English Course for Upper Intermediate Students An Intensive English Course for Intermediate Students Developing skills :：an integrated course for intermediate students; English for translation：A graded course for intermediate students