shi is unwilling to help him,___free she is 为什么不用how 而用howev

She is very helpful中为什么用helpfui不用help? All you can do is encourage him.中为什么用encourage 而不用to encoura He is tired.Let me go instead of him.为什么用him而不用he go? （ what ）is she -------she is my aunt 为什么用what 而不用 who 比如说She does not understand English.这里面为什么不用She is 而用she does 请问为什么用“How was your weekend”而不用“How is your weekend”提问呢? ______you don't like him is none of my business 为什么用That 而不用 he is unwilling to help me.是什么结构的句子,表语是什么 How is your family going to get there?为什么用is 不用are? she is unwilling to work for any press unless pressed求翻译 ,pr Peter is a____ Mike to help him how are lucy and tony.这句话为什么要用are而不用 is?