Question

Помогите я прошу помогите пожалуйста! Use the present Perfect continuous and for or since for each of the following situations.
Пример: My friend started reading an interesting book a month ago.He is still reading it. He has been reading the book since last month.
1.Dmitry started playing chess when he was 10 and he is still playing it.
..........................................................since he was 10.
2.Victor began writing a letter to his pen-friend in the U.K. last week and he is still writing it.
................................................since he last week.

Answer 1

1. Dmitry has been playing chess since he was 10.
2. Victor has been writing a letter to his pen-friend in the U.K. since last week.