halfanhour算单数还是复数
halfanhour,是一个整体概念,自是单数例句:It'llbereadyinhalfanhour'stime. 另,"oneandahalf+名词"作主语时,谓语动词要用单数.例如:Oneandahalfapplesisleftonthetable.桌子上有一个半苹果.halfanhour在...
halfanhour,是一个整体概念,自是单数例句:It'llbereadyinhalfanhour'stime. 另,"oneandahalf+名词"作主语时,谓语动词要用单数.例如:Oneandahalfapplesisleftonthetable.桌子上有一个半苹果.halfanhour在...