

Can you open the door?
[kən ˈju ˈoʊpən ðə ˈdɔr?]
Don't open the window, it's cold.
[ˈdoʊnt ˈoʊpən ðə ˈwɪndoʊ, ˈɪts ˈkoʊld.]
The shops open at nine.
[ðə ˈʃɑps ˈoʊpən ət ˈnaɪn.]
"open" is in the lesson "Verb antonyms" (Level 8), 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.