

Где ты любишь покупать хлеб?
Where do you like to buy bread?
Не надо покупать молоко.
You don't need to buy milk.
Я буду покупать билеты онлайн.
I'll be buying the tickets online.
"покупать" is in the lesson "Verb antonyms" (Level 8), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 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.