

We'll eat and then go out.
[ˈwil ˈit ənd ˈðɛn ˈɡoʊ ˈaʊt.]
See you on Friday then.
[ˈsi ju ˈɔn ˈfraɪˌdeɪ ˈðɛn.]
If you're tired, then go home.
[ˈɪf ˈjɔr ˈtaɪərd, ˈðɛn ˈɡoʊ ˈhoʊm.]
"then" is in the lesson "Adverbs 5" (Level 41), along with 10 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.