When we've got a problem, we need a ____ Some inventors ____ many times before the succeed. An ____ is a new thing that solves a problem. Inventors need ____ to think of new ideas. A person with creativity uses his or her ____. The invention of the ____ made moving heavy things easier. I want to be like Wright brothers and ____ something new. My friend has a ____, he failed the test and doesn't know how to tell his parents. We need ____ to use computers, light and printer. The umbrella is very ____ when it's raining a lot. When you ____, you finally reach the goal. I need to buy a ____ so my remote control works. The inventors usually have a lot of ____ before they invent something. You need to ____ again if you fail, only then you will succeed.

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