How the word "seventy" is translated into English
My grandmother is seventy next week.
[ˈmaɪ ˈɡrændˌməðər ˈɪz ˈsɛvənti ˈnɛkst ˈwik.]
The tickets cost seventy dollars each.
[ðə ˈtɪkəts ˈkɔst ˈsɛvənti ˈdɑlərz ˈitʃ.]
There aren't seventy people here.
[ˈðɛr ˈɑrnt ˈsɛvənti ˈpipəl ˈhɪr.]
"seventy" is in the lesson "Big numbers" (Level 4), along with 11 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.