No sooner （) to bed than he heard a knock at the

No sooner ______ than they started to repair the sludge pump.

The couple had no sooner reached home ______ it began to rain.A．untilB．whenC．asD．than

No sooner______ to sleep than the telephone rang once more in the evening.A．he had goneB．h

She _____ go to bed when someone knocked at the door .A.was about toB.is about toC.was

No sooner _____ than the trouble started.A.he had arrivedB.had he arrivedC.he arrived

No sooner had he sat down to lunch ______. there was a knock at the door.A.whenB.thatC.asD