Ответ:
yet,since,still,yet, already,still,just,for.
1. How long have you studied English?
2.I haven't visited the USA yet.
3.He has just given interview.
4.They have lived in Canada since 2015.
5I still haven't met your brother.
6.They have lived for twenty years here.
1. I dont understand
2. Its raining
Всё зависит от времени указанного в предложении.
Стрнный человек зелёные волосы, тёмная кожа, фиолетовые глаза. Похож на Шерлока...