No sooner ____ to the lab than he set out to do the experiment.A.did he get B.had he got并说明原因谢谢
问题描述：
No sooner ____ to the lab than he set out to do the experiment.
A.did he get B.had he got
并说明原因谢谢
答
B
答
选A。此处用did意为“一进实验室他就迫不及待地做起实验来。”用had则表示过去完成时，翻译则是“在进实验室前他就开始做实验。”由此可的出答案。
答
B
回到lab这个动作发生在做实验之前,而做实验是过去做,故为过去完成时.
答
B
no sooner had sb. done than did 固定搭配