12) We (live )………………….in HN for ten years now and like it a lot. 13) The last time I (go) ……………………to HN was in May 14) When my parents were on holiday I ( stay)……………… with my aunt for a week 15) I (not see ) my son for ages .He (not visit ) ……………… me since May 16) Tom ( be) ……… ….…….to HN twice .He loves it very much 17) My sister (work ) ……………………for an enterprise for two years .That was after college 18) I (move)……………… to HN in 2001 .I (be ) ………….. there a long time now 19) It was so cold today that I (wear)…………… a sweater at school 20) So far this month there (be )……………………. three robberies in this street 21) When I was young I (meet )…………..him three times 22) In the past few years ,it (become )………….. more and more difficult to get into university 23) I (feel )………………better since I ( live) ……………….here 24) Since I (be ) ……………………in this city I ( not see) …………… ….him