Помогите пожалуйста, с английским:(
В задании написано: Put the verds in brackets in the correct tence.
a) How long ___ you ___ (learn) English?
b) How long ___ you ___ (know) your friend?
с) I love tennis I ___ ___ (play) tennis since I was 10.
d) This crossword is difficult. I ___ (do) it for 40 minutes.
e) Your English is good. How long ___ you ___ (learn) it?

a)How long have you been learning English? b)How long have you known your friend?с)I love tennis I  have been playing tennis since I was 10.d)This crossword is difficult.I have been doing it for 40 minutes.e)Your English is good.How long have you been learning it?Будут вопросы - задавайте.