Fill in the Blanks PrepositionsOnline version in on at by LADY ESTELA PARRA BAEZ 1 1 . I finish work early Wednesdays . 2 . Are you going to work the summer holidays ? 3 . I only see my uncle Christmas . 4 . the past , you couldn´t buy such a variety of different foods . 5 . What shall we do the weekend . 6 . Mobile phones were invented the 80s . 7 . My exam is 7th June . 8 . I´m having my first lesson Friday afternoon .