The 30th Olympic Games will be held in London July 27 to August 12th . A. onB. inC

问题补充：

The 30th Olympic Games will be held in London July 27 to August 12th , .

A. on

B. in

C. at

D. from

答案：

A. on

B. in

C. at

(答案→)D. from

解析：根据两个时间和中间的to我们可知应该是从7月27日到8月12日，所以应该用from。其他选项没有此用法。所以本题选D。