Раскройте скобки, употребляя глаголы в Present Perfect, Past Perfect, Future Perfect: 1. Will you go to the library tomorrow? - No, I already (to be) to the library this week. 2. I (to lose) my key when I was playing in the yar...

Раскройте скобки, употребляя глаголы в Present Perfect, Past Perfect, Future Perfect: 1. Will you go to the library tomorrow? - No, I already (to be) to the library this week. 2. I (to lose) my key when I was playing in the yard yesterday. 3. He (to finish) his homework by 7 o'clock. 4. You ever (to be) to the Hermitage. 5. Mary (to finish) the composition by the time he came. 6. I (to live) in St. Petersburg since 1990. 7. My father (not to come) home at dinner tomorrow. 8. You (to buy) already necessary books?