13.Four and    half hou

13.Four and    half hours of discussion took us up to midnight,and    break for cheese,chocolate and tea with sugar.

问题:

[单选]
13.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

参考答案:A

参考解析:

本题暂无解析

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