题目内容：

找错----Sorry,I don't know what to do it
只能改don't know to it

优质解答

Sorry,I don't know what to do.
Sorry,I don't know how to do it.
Sorry,I don't know how to do with it.
以上三种改发都对.
只能改don't know to it的话,就是：
Sorry,I don't know what to do.