i showed my mother a picture of the computer that i was going to buy it?请问哪里有错误,是that改which?

问题描述:

i showed my mother a picture of the computer that i was going to buy it?
请问哪里有错误,是that改which?

buy不该带宾语it.因为在定语从句中that已经代替a picture of the computer 在从句中作宾语了.