once后面时态.１、Once he said that,I know he was lying.2.Once you

once后面时态.１、Once he said that,I know he was lying.2.Once you -He was nearly drowned once. he was up at once He was nearly drowned once. He was fired at once. He said it was only once in history that the Nobel Prize ___ She said,“He demanded that the girl leave at once 1、The woker said that he （ ）a ladder at once. He was once a young person as I am now 1.------He was nearly drowned once he urged that we __at once 是he was "a" once outstanding man还是he was "an" once ...