1.what we need is time 2.what we need are good doctors 这两句话为

1.what we need is time 2.what we need are good doctors 这两句话为 What we need are good doctors这句话为什么要用复数丫, What we need are good doctors.为什么谓语是are而不是is,主语是waht啊 改错：What we need are time. What we need( ) good textbooks.A is What we need is more time what we need most are/is books? what we need is a what we need is the 1.what we need is some apples.( ) 关于主语从句what we need is time其它形式 what they need most （is）money while what we need most （are）