No sooner had he sat down to lunch _______ there was a knock at the door.

单选题

No sooner had he sat down to lunch _______ there was a knock at the door.

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单选题

We had no sooner got out of bed ______ the bell rang.

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多选题

No sooner _____ home than it started to rain.A.have we arrivedB.did we arriveC.had we arri

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单选题

People at the party worried about him, because no one was aware ____ he had gone.

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单选题

I had hardly sat down_______he stepped in.

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