Надо вставить «а» или "an" 1) she lives in …

Надо вставить «а» или "an" 1) she lives in … centre of Kiyv 2) I like … apples and … oranges 3) I'd like … cup of tea 4) he is … tallest in theclass 5) which ball do you want? … blue one 6) there is … table, … blackboard and … chair 7) I like drinking … coffee