С: ( в 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?
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