Question

What time did your friend do these activities yesterday?

Answer 1

Во сколько ваш друг вчера  сделал это?
Activities дословный перевод действия, деятельность, активность

Answer 2

I'm sorry, but it seems like there might be a misunderstanding. The search results provided don't seem to contain information about specific activities done by a friend at a particular time. If you have a specific list of activities or a timeframe in mind, please provide that information so I can assist you better.