Ask questions to the following sentences beginning with the words in brackets.
1. They’ve been looking for a restaurant since they came to the town (who? where ? what … for ?).
2. She has been packing her suitcase since morning (what? why?).
3. Arthur has been driving for 6 hours without any rest (who? how?).
4. They’ve been answering their child’s questions the whole day (whose? what?).
5. Ed has been playing with his dog in the park since morning (who … with, where?).
6. She has been washing up since breakfast (who? what?).
7. Her husband has been watching football on TV since breakfast (who? what?).
8. Someone has been looking through my things (why?).
9. My mother has been staying with us for three weeks (who?).
10. He’s been working here since 1990. (How long?).