This is a book of practical exercises, where in these the students must decide which preposition to use in a given sentence. Very often, English prepositions dont correspond with the Spanish ones (depend on depender de; smell of oler a), so, the student, as well as the professional, will find in these book an invaluable resource in the correct usage of these important aspects of the English language. Es un libro de ejercicios prácticos, donde en ...