TY - BOOK AU - Richards,Jack C. TI - Interchange : English for international communication SN - 0521467446 U1 - 420 PY - 1997/// CY - New York PB - Cambridge university press KW - English language -- Grammar -- 1950- KW - English language -- Grammar. KW - English language -- Usage N2 - This is the teacher's manual for "Interchange", level three. "Interchange" is a three-level course for learners of English as a foreign language. The course reflects the interests and needs of adults and young adults, taking them from beginning to high intermediate level ER -