Раскройте скобки, употребляя глаголы Past Simple или Present Perfect. 1.Mike (be) in school since he be six years old.
2.George (arrive) late to work again this morning. He (be) late at least five times this month.
3.John Keats, who (die) whe he (be) only 26 years old, (write) a lot of beautiful poems.