00812nam a2200193Ia 4500 CTU_16859 210402s9999 xx 000 0 und d 425 E58/B.3 English 900 : A basic course English Language Services New York Collier-MacMillan International 1995 The book consists of ten units. Each unit contains a group of fifteen base sentences related to a meaningful situation. Units in this book contain Base Sentences, Intonation practice, Substitution Drills, Conversation, and Exercises. Beginning with this book, a Verb Study section is added to each unit English language Study and teaching Trung tâm Học liệu Trường Đại học Cần Thơ