How much does this cost?（改为宾语从句）____________________________

How much does this cost?（改为宾语从句）____________________________
How much does this cost?（改为宾语从句）____________________________

How much does this cost?（改为宾语从句）____________________________
Do you know how much this coat costs?
宾语从句,就是给这个句子加个主语,让它成为宾语从句,宾语从句中不管是肯定还是疑问都主谓不颠倒（叫使用正常语序）,所以要将这个问句改成正常陈述句的语序