分类：教育/科学-外语学习
问题：一条英文选择题George’sfatherwillrewardh 
George’s father will reward him wh sixpence when he ____ his homework.A  finishes      B  finished     C  has finished     D  will finish     答案是C,为什么不选A?
回答：答案有误，应选A。在将来时态中一般时即可表示“完成”的意思！此句经多位native选择，均是A