How the word "who" is translated into English
Who is that man?
[ˈhu ˈɪz ˈðæt ˈmæn?]
Who wants more cake?
[ˈhu ˈwɔnts ˈmɔr ˈkeɪk?]
I don't know who called me.
[aɪ ˈdoʊnt ˈnoʊ ˈhu ˈkɔld ˈmi.]
"who" is in the lesson "Pronouns" (Level 30), along with 17 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.