Question

－ How long _______ home?－For about three months. A．have you been away from B．did you leave

－ 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

Answer 1

A

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。