How amazing it was the Shanghai F1 Race!A. watchB. watchesC. to watchD. watching

问题补充：

How amazing it was the Shanghai F1 Race!

A. watch

B. watches

C. to watch

D. watching

答案：

A. watch

B. watches

(答案→)C. to watch

D. watching

解析：句意：真令人惊喜观看上海F1比赛！watch观看，it形式主语，不定式to watch the Shanghai F1 Race做真正主语，故选C.