Раскройте скобки, употребив глагол-сказуемое в past indefinite или present perfect. 1. we already (to learn) 1000 english words. 2. they (to come) to the theatre at 7 o’clock. 3. why are you reading the letter? – i (to read) it. 4. no scientist (to do) so much for the development of russian science as m.lomonosov. 5. i (not to miss) any lectures this month. 6. the sun (to come) out a moment ago. 7. i (not to sleep) since that night.
