33.Four and half hours of discussion took us up to midnight, and break for cheese, chocolate and tea with sugar.
(A) a; a
(B) the; the
(C)不填；the
(D) a;不填

考查冠词。第一空表示“四个半”应用four and a half；短语a break表示“休息一会儿”，故答案选A。