9 клас. Inventions and Discoveries.Top 5 inventions

I think that paper is the most important _____________ in our history. 

Only in the 19th century, people ______________________ the best material for making paper - wood fiber. 

Thomas Edison _________ with 600 different materials.

We use the _________ every day when we search photos and videos.

The first __________connected only several computers.

Several scientists worked on creating the light bulb, but only Thomas Edison ___________ it. 

Alexander Graham Bell is known to be an _______________ of telephone.

An antibiotic that can treat a range of bacterial infections was ____________ by Alexander Fleming.

Steve Jobs and Steve Wozniak _____________the Apple II, a popular mass-market personal computer.

One of the greatest ______________ in the world is the Internet.

It was a hard year, but I ________ in passing all my exams successfully.

Water is the most _________ natural resource on Earth, as without it people will not survive.