00767nam a2200205Ia 4500 CTU_15605 210402s9999 xx 000 0 und d 13500đ 425 W179 Elaine Walker Grammar practice for elementary students with answer key Elaine Walker, Steve Elsworth London Longman 1994 This book gives simple explanations and plenty of practice exercises for the main grammar points encountered at Elementary level. The book presents grammar in three stages which are grated according to difficulty english language - grammar Minh, 970414 Trung tâm Học liệu Trường Đại học Cần Thơ