Раскройте скобки, образуйте предложения the Present Perfect Continuous Tense. Образец: I have been doing my homework since 2 o’clock. 1. Mary (sleep) in her bed for three hours. 2. I (make) make a cake since 12 a.m. 3. She (wait) for the taxi for 30 minutes. 4. He (walk) his dog for 30 minutes. 5. We (live) in St. Petersburg since March.