11. While my sister and I (watch)…………. a movie on TV last night, our uncle in the USA (phone)………… 12. My sister (not write)………….. to me for months. 13. Ha long Bay in Viet Nam (be)………. a World Heritage Site. You ever (visit)…………….it? 14. If Mr. Lam (go)……. to Paris next week, he (see)………… the Eiffel Tower 15. My youngest brother (get)…. ……….a new job a week ago. 16. My uncle just (open)……… a new internet house on Trang Thi Street. 17. Her grandfather (die)…… 20 year ago. She (never meet)……..him. 18. Linh’s brother (lose)…….. his job last month 19. Nam (not buy)……… a new computer since he (sell)………. .the old one last month 20. I (not have)……….. a good night sleep for a long time. I now feel very tired. 21. Last night when we (visit)………..him, he (do)………… an experiment upstairs. 22. The sewing machine which you (use)………. at present (invent)…………in 1830 by a French. 23. I (not see)…… your uncle recently. – He ( not go) …….. out since he (buy)…… a new color TV 24. He (not finish) ………..it yet, he only (start)………..an hour ago. 25. She (arrive)………….while I (write)………. a letter to my pen pal.