вставьте вместо..... что нужно, пожалуйста
1. Are there......... sandwiches left?
2. Do you........ going to the opera tomorrow?
3. Put the iron down. You will burn..........
4. There is a man glaring.......... you. Do you know him?
5. There is going to be a second concert...... to public demand.
6. The lights are on. Anna........ be at home. ​