Wednesday is the day of a week.A. fifthB. fourthC. forthD. third

问题补充：

Wednesday is the day of a week.

A. fifth

B. fourth

C. forth

D. third

答案：

A. fifth

(答案→)B. fourth

C. forth

D. third

解析：句意：周三是一周的第四天。一周的第一天是周日，故周三是第四天，第四直接加th变序数词，故选B