i don't know what to say.1.是宾语从句么?2.如果是,what to say 也不是个...

i don't know what to say.1.是宾语从句么?2.如果是,what to say 也不是个... I don't know what to do中what to do是宾语从句吗? i don't know what to say 英文歌曲有一句:when you question me,I don't know what to say.此歌曲名称是 I don't know what to say about you,you make me so confuse 这是 请问I don't know what to do next.中的what to do next是宾语从句吗?为什么? i don't know what to say.可不可以说i don't know say what有没有用say w i don't kown what to say .(改为宾语从句） 1:I really don't know what to say. i don't know what to say 同义句 THEN I DON;T KNOW WHAT TO SAY SO EXCITING. I don't know what to say sorry that