I work with my classmates after school.A. SometimesB. Some timesC. SometimeD. Some time

问题补充：

I work with my classmates after school.

A. Sometimes

B. Some times

C. Sometime

D. Some time

答案：

(答案→)A. Sometimes

B. Some times

C. Sometime

D. Some time

解析：句意：放学后我经常和同学一起学习。A有时候；B多次；C以前的，某一时间的；D一些时间，在未来的某时；根据题意选A。