Only when we saw the photos about the air crash_____ how terrible it was.
A had we known B we had known C did we know D we knew
（届山东省济宁市曲阜师大附中高三上学期期中考试 ）
I have to see the doctor this afternoon because I ____ a lot lately.
| A．have been coughing | B．had coughed | C．coughed | D．cough |
（届北京市东城区普通校高三3月联考 ）
I ____________ you not to move my dictionary—now I can’t find it.
| A．asked | B．ask | C．was asking | D．had asked |
（2014届山东省高三高考仿真模拟冲刺考试（六） ）
—Did you enjoy your holiday?
—Yes．it's the best holiday I these years．
| A．had | B．would have | C．had had | D．have had |
（届辽宁省瓦房店高级中学高三第二次模拟考试 ）
------ What’s wrong with you, Kate?
------ The shoes don’t fit me properly. They_____ my feet.
| A．have hurt | B．are hurting | C．had hurt | D．are hurt |
（2014届福建省龙岩市高三毕业班教学质量检查 ）
Tony is a lawyer now, but he in a delivery company for six years.
| A．has served | B．had served | C．was serving | D．served |