Question

9. Не
10. He here for the last five years. (worked, is WUM
11. He thanked me for what!
12.1
a strange noise. (hear, am hearing, have been hearing)
13.1
him for a long time. (know, have known, am knowing)
14. I
English for five years. (study, am studying, have been studying​

Answer 1

12.1

I hear a strange noise.

I am hearing a strange noise.

I have been hearing a strange noise.