Sunday is the day of a week.A. sixthB. lastC. seventhD. first

问题补充：

Sunday is the day of a week.

A. sixth

B. last

C. seventh

D. first

答案：

A. sixth

B. last

C. seventh

(答案→)D. first

解析：本题是根据常识来判断，在英语国家，一星期的第一天为Sunday，故选D