1
)
(
)
;
2) : thirty of ;
3) () , (); chapter thirty ; Room thirty ;
4) : in / by / thirties - ();
5) ; he is thirty ; he must be under thirty ; he must be about thirty ; he must be over thirty ; at thirty , ; a man of thirty ;
6) i> ;
thirty men ; thirty tens are three hundred ; thirty times as much ;
thirty-one, thirty-two, etci> , ..i>;
thirty-first, thirty -second, etci> , ..i>;
the Thirty-nineb> Articlesb> .i> "i> 39 " ( i>).