Never ______Lisa would arrive but she turned up at the last minute.

Gone ________ when we were oppressed.

What do you want to do next We have half an hour until th ebasketball game.— . Whatever you want to do is fine to me.

______ ask for more books unless you have finished these.

though B【解析】试题分析：根据句意根据厂里的规章制度，如果你有医生的诊断书，你才能请假。故选B