Do you know (how much she paid for) the MP3 player last week?

题目

Do you know (how much she paid for) the MP3 player last week?
Do you know ----------the MP3 player last week?为啥要填how much she paid

答案

因为这是 宾语从句,在宾语从句中,特殊疑问句要用陈述句语序
how much did she pay for叫疑问句语序