Complete the following sentences using the appropriate form of the word

Complete the following sentences using the appropriate form of the word given in the brackets.
1. Every __ in science helps you gain new knowledge.(succeed)
2.__; he survived the crash without injury. (miraculous)
3. We are faced with a difficult ___ (choose)
4.Do you need a ___ memory to become a scientist?(miracle)
5.It will take a long time to find out a thorough __ to this problem.(solve)
6.Paper money is used (increase) __ in the modern world.
7. (educade) __ is very important for everyone.