题干
---What a long queue!
--- Yeah．We ________________ up in the past few hours for tickets back home．
--- 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(点此获取答案解析）
D
、
是两条不同的直线，
是一个平面，则下列命题正确的是( )
