Complete the following general questions to make them alternative. M о d e 1: Is he busy? — Is he busy or free?
1. Are they in the garden ...? 2. Is your sister at the Institute ...? 3. Is Doctor Sandford at the hospital...? 4. Is his wife in the park ...? 5. Is the exercise easy...? 6. Is Betty nineteen ...? 7. Is the hall big...? 8. Are you free on Saturday ...? 9. Are these lessons difficult...? 10. Is this sentence long...?