Поставьте вопросы к следующим предложениям, используя слова в скобках.
1. Moist rales have been changing gradually during the whole course of the disease (when).
2. The tuberculous patient has been taking air baths for about a month (what).
3. For several months the patient has been receiving food with a large amount of proteins and carbohydrates (what -какую)
4. Due to the use of antibiotics, the cure of tuberculosis has been progressing during the recent years (why).