TY  - BOOK
AU  - Frank,Marcella
TI  - Modern english: exercises for nonnative speakers 
SN  - 0135938066
AV  - PE1128 F7.4
PY  - 1972///
CY  - Englewood [E.U.A.]
PB  - Prentice-Hall
KW  - Inglés
KW  - Estudio y enseñanza
N1  - Contenido; v.1; Parts of speech --; v.2; Sentences and complex structures
ER  -