пж помогите сделать с 1 задания по 15

Ответы на вопрос
Задание 1. Времена группы Present
1. Twice a week he (play) chess with his friends. b) plays
2. He just (finish) training. b) hasn't just finished
3. My mum (not work) today. b) hasn't worked
4. I (not read) this book yet. a) haven't read
5. you ever (be) to Moscow? a) have you ever been
6. Gilbert says he is 80, but nobody (believe) him. b) believes
7. I never (play) golf before. a) have never played
8. He still (not do) his homework. b) hasn't done
9. Peter (not like) rap music. b) doesn't like
10 John (play) the violin since he was a schoolboy. d) has been playing
11. He (be) a director for 4 years. b) hasn't been
12. He (not visit) Alaska at the moment. c) is not visiting
13. We (study) since 8 o'clock. c) have been studying
14. I (not hear) you very well. a) don't hear
15. I (need) to see a doctor now. a) need
Заранее благодарна https://znanija.com/task/33151809