7. поставьте глагол “ to be” в необходимую форму. предложения переведите. (a) настоящего времени времени: 1. we at the office yesterday afternoon. 2. our friends in moscow two weeks ago. 3. when i young, i fond of playing computer games. 4. they first-students last year. 5. the teacher presented with flowers. 6. the programmer working all day yesterday.