1) I ... (study) English for 5 years. a) have study b) have studied c) has studied 2) She ...... (do) her homework, so she can watch TV now. a) has done b) have done c) has did 3) They ... ( work) in this office since 1997. a) has worked b) have worked c) have work 4) ... you ever ... to America ? a) Have ... are b) Have ... be c) Have ... been 5) He ... (live) in London for 3 years. a) have lived b) has lived c) have live 6) I ... (answer) that question yet. a) haven't answered b) has answered c) have answer

Present perfect

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