I don't know what he needs

I don't know what he needs i don't know what is he doing? i don't know what he (ture)felt 翻译I simply don't know what he means. he is a doctor.what is he?i don't know what he is?/i don't k i don't know what you know i don't know what he will do 和what will he do 那个正确 1.I don’t know .A.what does he like best B.what he like best What does he like wearing I don't know.(合为一句) I don't know _ i don't know what i i don't know what i did wrong还是what wrong he did 1.同义句I don't know what he did yesterday.I have()about what h