15Gn. FRASES IDIOMÁTICAS CON PREPOSICIONES (5.12, páginas 56 y 57 de Gramática Inglesa para Estudiantes Españoles)
15Gn. Choose the right phrases: by heart, at war, by the way, in short, in black, at school, at present, to complete the following sentences (5.12, páginas 56 y 57 de Gramática Inglesa para Estudiantes Españoles)
15Gn. Choose the right phrases: by heart, at war, by the way, in short, in black, at school, at present, to complete the following sentences (5.12, páginas 56 y 57 de Gramática Inglesa para Estudiantes Españoles)