30．Whenever he was asked why he was late for class, he would answer carelessly , always the same thing . (A)saying (B)said (C)to say (D)having said

28．—It took me ten years to build up my business , and it almost killed me . —Well , you know what they say . . (A)Thee is no smoke without fire (B)Practice makes perfect (C)All roads lead to Rome (D)No pains , no gains