问题补充:
My father a bus to his office until the workers have had his car fixed next week.
A. has taken
B. is taking
C. had taken
D. took
答案:
A. has taken
(答案→)B. is taking
C. had taken
D. took
解析:句意:我的父亲将一直乘公共汽车直到工人们下周把他的车修好。此处根据句中的时间状语next week.可知,父亲一直到下周都会乘公共汽车。故用进行时,选B。