He said I was lazy,which isn't true.是否可以用it代替这句话中的which?

She said I was lazy,which isn’t true. 请问这是什么从句?She said I was lazy,which isn’t true She said I was lazy ,but it isn't true. she said I was lazy,which is not ture mother_____that i am lazy,which i think is not true This is what he said This is the thing which he said 这两句话可以互 He didn't know which hat was his.还是应该用：He didn't know which Bill said it was true,_____?A.was it B.didn't he C.wasn't it He said he was tired of studying anything .It isn't like her This is the house which is for sale.这句话中的which 是否可以换为that 请问He said it was important that the cows were relaxed which He said it was _________ impossible to buy the novel which w