问题补充:
- How long home?
-For about three months.
A. have you been away from
B. did you leave
C. have you left
D. are you away from
答案:
(答案→)A. have you been away from
B. did you leave
C. have you left
D. are you away from
解析:考查现在完成时。“你离开家多久了?”“大约三个月了。”动作发生在过去,对现在造成的影响,用现在完成时,完成时常与一段时间连用。Leave是短暂性动词,不能与一段时间连用,应该转换为be away。故选A。