it is the desk that I want repaired

it is the desk that I want repaired This is the car I repaired it yesterday. That's the man I sp is that the radio which you want to have repaired. is it the watch you want to have repaired 中have repaired 为什么 where the desk on ``that it is is it the watch you want to have repaired为什么不是to repair The desk is so heavy that I can't move it 同义句 it is that i want to what is it that i want? This is the car I repaired it yesterday.这个句子是错误的 The book is so helpful that I want to buy it.that的用法?什么成分? It is being repaired.