问题
选择题
---What a long queue!
--- Yeah．We ________________ up in the past few hours for tickets back home．
A．queued
B．have queued
C．are queuing
D．have been queuing
答案
答案：D
考查时态。根据语境可知：我们从过去的几个小时起一直排队到现在，故用现在完成时，选D。
