Сделайте предложения вопросительными A good dentist can extract teeth painlessly. (Who …) The nurse must be very careful with bed patients. (Must …) The infectious diseases can pass through the mouth and nose. (How can…) Some poisons can cause asphyxia. ( What...)

A good dentist can extract teeth painlessly. ( Who can extract teeth painlessly?)

The nurse must be very careful with bed patients. ( Must the nurse to be very careful with bed patients?)

 The infectious diseases can pass through the mouth and nose. ( How can pass the infectious diseases?)                                                                                 Some poisons can cause asphyxia. ( What can cause asphyxia?)