New Interchange Video Teacher's Guide 3 accompanies New Interchange Video and Video Activity Book which are designed to review and extend the topics and language prsented in New Interchange Level . The video program can also provide the basis for an independent short course. The video contains a mix of seven dramatized sequences and nine authentic documentaries. The Video Teachers Guide offers guidance on using the video in the classroom. The Teachers Guide also contains transcripts of all video segments, optional activities, and a complete answer key.