We had over 120 000 people here at weekend and expect to have up to third of that number

问题补充：

We had over 120,000 people here at weekend and expect to have up to third of that number on the beach today.

A. the；a

B. the；the

C. /；a

D. a；the

答案：

(答案→)A. the；a

B. the；the

C. /；a

D. a；the

解析：

第一空at the weekend在周末；第二空表示“三分之一”，在英语中，当分子是1时，分子可用a或one，如果分子大于1，分母要用复数形式。