Вставьте глагол to be в нужной форме: 1.the thr russian museum. 2. last month they in the hermitage 3. in two weeks they in the tretyakov gallery. they lucky 4. my a teacher. 5. he a pupil 20 years ago 6. l a doctor when i grow up 7. my sister ill last week. 8. she not ill now. 9. yesterday we at the theatre. 10. where your books now? they in my bag.