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
网友回答
(答案→)A. a;a
B. the; the
C. 不填；the
D. a;不填
解析：英语中“半小时”可以用“half an hour”或“a half hour”表示。Four and a half=a half and four hours四小时半，再比如：one and a half days=a half and one day一天半。break 此处是休息的意思，have a break 歇息一下，这句话就是说“我们讨论了四个半小时直到半夜，然后歇息一会儿吃了点奶酪，巧克力和带糖的茶。