No sooner ---- to the lab than he set out to do the experime

学习 时间:2026-05-30 03:52:58 阅读:928
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

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刻苦的鼠标

鳗鱼钢笔

2026-05-30 03:52:58

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。