

Мне не хочется оставаться дома одному.
I don't want to stay home alone.
Сколько дней вы остаётесь в Москве?
How many days are you staying in Moscow?
После работы я часто остаюсь в офисе допоздна.
After work I often stay at the office late.
"оставаться" is in the lesson "Verbs 18" (Level 30), along with 11 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.