i didn't know ___you wanted.为撒填whom?

i didn't know ___you wanted.为撒填whom?
i didn't know ___you wanted.为撒填whom?

i didn't know ___you wanted.为撒填whom?
我不知道你想要谁 谁在这里做宾语 whom做宾语

want sb作宾语、、所以用whom

whom是因为它在宾语从句中作宾语。也可以用who.只要它前面没介词。