1
)
(
)
;
2) : sixty of ;
3) () , (); chapter sixty ; Room sixty ;
4) : in / by / sixties - ();
5) ; he is sixty ; he must be under sixty ; he must be about sixty ; he must be over sixty ; at sixty , ; he retired at sixty ; a man of sixty ;
sixty men ; there are sixty pages in the book ; sixty tens are six hundred ; sixty times as much ;
sixty-one, sixty-two, etci> , ..i>;
sixty-first, sixty-second, etci> , ..i>