The letter (that)I received was from my father.这句话哪个是主句,哪个是从

The letter (that)I received was from my father.这句话哪个是主句,哪个是从 The letter that I received was from my father 这个句子中为什么用that不 The ,I,received ,yesterday,letter,that,was,from,my ,parents. The letter __ I received was from my father,用who,which,whom Have you received the letter?中哪个是宾语 I have just received a letter from my brother.这句话中 just和 hav The phone rang while I was taking a bath.这个句子中哪个是主句哪个是从句. I received a letter from my father last Sunday 改为同义句 I( )( ) I received a blame from my father. I received a letter from my old school .It tells me that my 定语从句改写 I received a letter.It was from my girl friend i just won the match i have just received a letter from my b