

My keys are in my bag.
[ˈmaɪ ˈkiz ˈɑr ˈɪn ˈmaɪ ˈbæɡ.]
Is your brother in the kitchen?
[ˈɪz jər ˈbrəðər ˈɪn ðə ˈkɪtʃən?]
I don't live in London.
[aɪ ˈdoʊnt ˈlɪv ˈɪn ˈləndən.]
"in" is in the lesson "Adverbs 1" (Level 23), along with 15 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.