No sooner had I reached the station ---- the train left.
No sooner had I reached the station ---- the train left. Correct Answer than
When no sooner comes at the beginning of a sentence, we use inverted word order. That means the auxiliary verb comes before the subject. The structure no sooner is used to talk about something that happens immediately after something else. Example: No sooner had I received her call, than I left for her place. Means: I had received her call. I left for her immediately.