15Cd. FOR and SINCE, prepositions of time (5.4.3, 24.2.4, 24.2.5, 24.2.7 y 24.2.8; páginas 44, 45, 168, 169 y 170 de Gramática Inglesa para Estudiantes Españoles)

15Cd. Fill the spaces in the following sentences by using FOR or SINCE (5.4.3, 24.2.4, 24.2.5, 24.2.7 y 24.2.8; páginas 44, 45, 168, 169 y 170 de Gramática Inglesa para Estudiantes Españoles)

15Cd. Fill the spaces in the following sentences by using FOR or SINCE (5.4.3, 24.2.4, 24.2.5, 24.2.7 y 24.2.8; páginas 44, 45, 168, 169 y 170 de Gramática Inglesa para Estudiantes Españoles)
1. I haven’t been to that museum I was at school
2. Jana has been teaching two years
3. Surely things have changed then
4. Rickards has been dead three decades
5. I’ve been using this computer three years
6. What have you done I last saw you?
7. I haven’t spoken German four years