Fill in the blanks using ever, never, just, already,yet, for and since. Rellena los espacios en blanco usando ever, never, just, already, yet, for , since ( los cuales NO están en orden)  Have you _________been in London?  The aircraf has ____________taken off  I can’t believe you ‘ve _________ finished the homework  I am a very lucky person. I have ________ failed the exams  She has lived here ________ twenty years  She has lived here _____________last Tuesday  I have not finished my essay __________, Ayúdame por favor​