Complete each of the following sentences with the correct form of the word in the bracket. 10. Venice is the wonderful city to (exploration)................. 11. Many countries are making great efforts to carry out the (explore)...................of space. 12. For (enthusiasm)........................cave (explore)............Son Doong has a lot of discover. 13. There are still billions of (explore)............planets in universe. 14. There's been a definite (improve).....................in your English since you arrived. 15. This (invent).....................made a major (contribute)......................to road (safe)................. 16. Alfred Nobel was the (invent)............of dynamite 17. He is famous for his (invent)..............books for children. 18. I missed the bus this morning because I (sleep)...................again 19. We don't know the (precision)......................details of the story yet. 20. The construction work of the bridge is done with great (precise)...................... 21. It hasn't been (science)................proven 22. We need more (science)................evidence of the study