观察下列句子，写出黑体词(关系代词)所指代的词及在定语从句中所作的成分 ①A huge crack that was eight kilometers long and thirty meters wide cut across houses, roads and canals. (指代_______，作______) ②Then later that afternoon, another big quake which was almost as strong as the first one shook Tangshan. (指代_______，作______) ③I don't know the girl whom you talked to just now. (指代_______，作______)

crack

主语

主语

quake

the girl

宾语