–How soon will he come back?.A. After three daysB. In a weekC. On FridayD. Next month

问题补充：

–How soon will he come back?

--.

A. After three days

B. In a week

C. On Friday

D. Next month

答案：

A. After three days

(答案→)B. In a week

C. On Friday

D. Next month

解析：英文中的how soon通常对将来时间in+时间长度提问，ACD是通常用when提问的，

故选B。