很高兴为您解答.
sorry 现在时间不够,我先提交问题,马上补充.
稍等.对不住了额①A:This is the teacher who teaches us English
B:she is the girl whom i met yesterday
C:this is the boy whose name is Tom .
②A:The book which is on the table is yours
B:These are the pictures that i took in china
C:Do you know the reason for which he was late ?
③A:I will never forget the days when we worked together
B:the hotel where he stayed wasn't clean
C:Do you know the reason why he was late ?

不懂的可以追问，望采纳