Do you remember the daywe spent together last year. A. that B. what C. when D. how

问题补充：

Do you remember the daywe spent together last year.

A. that

B. what

C. when

D. how

答案：

(答案→)A. that

B. what

C. when

D. how

解析：先行词是the day指物, 且引导词在定语从句中做宾语，用that或which，故选A。