Choose the necessary tense form of the verbs 1) I (have seen,saw) the doctor.I (have seen, saw) him two hours ago. 2) My friend (has been,was) there last winter. 3)The postman (has brought, brought ) a letter for you. He (has brought, brought ) the letter half an hour ago. 4)We (have lived, lived ) in Brest in 1968.He (has lived,lived) in that village. 5)The mechanic (has caught cold,caught ) and he stays in bed. 6) Mike (has missed, missed) two days.He (has missed,missed) two days last week.