Помогите решить задание
to give up, to stop, to say, to forget, to lose, to know, to repair, to search,
to mention, to look up, to take
1. It’s difficult for him ____________________ smoking.
2. It was impossible ________________ the bicycle.
3. _______________ the map well means to be able to show any country or town on it.
4. It took us twelve days ____________________ the island.
5. _________________ the past was impossible.
6. It was his habit every August _______________ his family to the seaside for change of air.
7. ________________ at this stage would be a great pity.
8. It took him half an hour __________________ the words in the dictionary.
9. It takes an effort ___________________ weight.
10. It’s hardly necessary for me __________________ how grateful I’m for all you’ve done.