Раскройте скобки, поставив глагол в present perfect. 1. i (to know) my friend since 1985. 2. my parents (to be) to saint petersburg twice. 3. our neighbour (to learn) three foreign languages. 4. he (not to see) you since 1948. 5. we (to visit) this museum lately. 6. i (to live) here for five years. 7. syktyvkar (to change) a lot. (to change- меняться).