a. I've been knowing my teacher for 6 months. — ✘
b. I've been learning English for 3 years. — ✔
c. I've been living in London since last summer. — ✔
d. How long have you been coming to this school? — ✔
ответ: A
Исправление: I've known my teacher for 6 months.
a. I've been knowing my teacher for 6 months. — ✘
b. I've been learning English for 3 years. — ✔
c. I've been living in London since last summer. — ✔
d. How long have you been coming to this school? — ✔
ответ: A
Исправление: I've known my teacher for 6 months.