Spencer, D. H.
Question tags / Duncan Spencer. - London : Longman for the British Council, 1970. - 58 p. - English language units ; Unit 17 (Teacher's book) .
058253898X
English language--Study and teaching.
Question tags / Duncan Spencer. - London : Longman for the British Council, 1970. - 58 p. - English language units ; Unit 17 (Teacher's book) .
058253898X
English language--Study and teaching.