3) Underline Present Perfect or Present Perfect Continuous: a) My sister has gone/has been going to the library. b) He has read/has been reading his book for 7 days. c) How long have you learned/have you been learning English? d) I haven't travelled/haven't been travelling to the USA before. e) He has lost/has been losing his wallet. f) I have swum/have been swimming all day. I'm tired. g) I haven't called/haven't been calling her.