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

学习 时间:2026-10-22 19:51:32 阅读:9031
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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虚拟的蜡烛

机灵的飞鸟

2026-10-22 19:51:32

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。