用连接词填空:Nanjing is not __it used to be .并说明为什么这样填

用连接词填空:Nanjing is not __it used to be .并说明为什么这样填 China is not〔 〕it used to be为什么填what he is not the man---- he used to be 肯定能填that 为什么不能填 as'呢? he is not what he used to be 为什么不能how he used to be China is not〔 〕it used to be 为什么不用that而用what 用be动词的正确形式填空并说明为什么要填这个 the car is running far __it used to .(smooth) this is the way it used to be是定语从句吗?省略了什么连接词? 用used to和be used to填空 用used to或be used to填空 The city is not what it used to be.used to be在这里这么解释? She is not what she used to be!